镇江| 榕江| 淮滨| 襄汾| 曹县| 施秉| 汉中| 舒城| 绍兴县| 察哈尔右翼前旗| 榆林| 勃利| 禹州| 团风| 上海| 松江| 金沙| 拉萨| 东丰| 泽普| 宁陕| 鱼台| 台南县| 曲江| 麦积| 长白| 酒泉| 平阳| 新疆| 叶县| 大冶| 广平| 富川| 贵池| 道县| 大厂| 漳县| 依安| 屏边| 东营| 永安| 平定| 广西| 潍坊| 理塘| 魏县| 资中| 绩溪| 江永| 博鳌| 洪雅| 旺苍| 梓潼| 隆安| 韶山| 武乡| 盱眙| 新晃| 仙桃| 项城| 禹城| 泰顺| 耒阳| 白河| 宝坻| 南充| 平度| 霸州| 瑞昌| 新邱| 江孜| 昭觉| 贡山| 三明| 溆浦| 西峡| 苍梧| 福州| 黎平| 洛阳| 江都| 建德| 景宁| 东西湖| 华安| 建水| 保山| 阿荣旗| 新县| 昆明| 措美| 汤旺河| 稷山| 雁山| 剑川| 乌拉特后旗| 泗县| 范县| 潢川| 曲水| 芜湖市| 株洲县| 临沂| 任丘| 饶河| 梁河| 海淀| 鹿邑| 黄埔| 政和| 水城| 绵阳| 胶南| 察哈尔右翼前旗| 临川| 常熟| 小河| 会宁| 疏勒| 赤城| 雷波| 兴和| 恒山| 连城| 密山| 兴义| 达县| 合川| 带岭| 原阳| 潼南| 上虞| 上饶县| 威海| 满城| 麟游| 丹寨| 薛城| 霍州| 习水| 开县| 寻甸| 连云港| 长泰| 焦作| 遂昌| 大田| 江城| 内乡| 临夏县| 石拐| 翁牛特旗| 东辽| 东光| 左权| 泾源| 古县| 察布查尔| 甘肃| 伊宁市| 新丰| 孟州| 皋兰| 左贡| 攸县| 垦利| 邢台| 合阳| 师宗| 颍上| 金华| 疏附| 武胜| 下陆| 乌什| 新化| 天祝| 平泉| 石景山| 忻城| 始兴| 金门| 潮阳| 卫辉| 喀喇沁左翼| 来凤| 新余| 静宁| 吴中| 岢岚| 五峰| 汾阳| 沁源| 肇庆| 博湖| 沧源| 洞口| 龙陵| 南华| 漠河| 康定| 河口| 剑河| 衡阳县| 鹤山| 云浮| 兴城| 马祖| 阜宁| 武陵源| 玛多| 金湖| 兴平| 辽阳县| 凤凰| 庆云| 博罗| 江城| 潍坊| 宝安| 邗江| 共和| 青县| 桑日| 绥化| 武夷山| 正安| 宣城| 周村| 偃师| 苏尼特左旗| 营口| 铜仁| 禄劝| 镇巴| 龙州| 安庆| 晋江| 修水| 藁城| 内丘| 印江| 剑川| 普定| 苏尼特右旗| 冕宁| 金佛山| 碾子山| 西峰| 巴林右旗| 靖江| 连云区| 梁子湖| 汝州| 马鞍山| 平鲁| 定结| 昌江| 米泉| 宁武| 福贡| 腾冲| 平原|

1978年中国城市人均居住面积比1950年下降多少?

2019-09-19 18:23 来源:搜搜百科

  1978年中国城市人均居住面积比1950年下降多少?

  CraftswomanLiWenlingshowsherpaper-cuttingworksatthemediacenterforthe18thShanghaiCooperationOrganization(SCO)SummitinQingdao,eastChinasShandongProvince,June6,2018.(Xinhua/LiZiheng)PhototakenonJune6,2018showsafolkmusicperformanceatthemediacenterforthe18thShanghaiCooperationOrganization(SCO)SummitinQingdao,eastChinasShandongProvince.(Xinhua/GuoXulei)PhototakenonJune6,2018showsateaartshowatthemediacenterforthe18thShanghaiCooperationOrganization(SCO)SummitinQingdao,eastChinasShandongProvince.(Xinhua/LiZiheng)CraftsmanMuXujianshowsdoughsculpturemakingtojournalistsatthemediacenterforthe18thShanghaiCooperationOrganization(SCO)SummitinQingdao,eastChinasShandongProvince,June6,2018.(Xinhua/GuoXulei)CraftsmanMuXujianmakesdoughsculpturesatthemediacenterforthe18thShanghaiCooperationOrganization(SCO)SummitinQingdao,eastChinasShandongProvince,June6,2018.(Xinhua/LiZiheng),capitalofChina,June7,mination,whichtakesplacefromJune7to8.(Xinhua/ShenBohan)ExamineestakeaselfiewiththeirfamilybeforethenationalcollegeentranceexaminationoutsideanexamvenueinChangchun,northeastChinasJilinProvince,June7,mination,whichtakesplacefromJune7to8.(Xinhua/LinHong),capitalofChina,June7,mination,whichtakesplacefromJune7to8.(Xinhua/ShenBohan),eastChina,June7,mination,whichtakesplacefromJune7to8.(Xinhua/XuXiaoxuan)ExamineesprepareforthenationalcollegeentranceexaminationoutsidetheexamvenueatFenyangHighSchoolinLyuliangCity,northChinasShanxiProvince,June7,mination,whichtakesplacefromJune7to8.(Xinhua/CaoYang)ExamineesenteranexamvenueinChangchun,northeastChinasJilinProvince,June7,mination,whichtakesplacefromJune7to8.(Xinhua/LinHong),capitalofChina,June7,mination,whichtakesplacefromJune7to8.(Xinhua/ShenBohan)

VolunteersworkatthepresscenteroftheShanghaiCooperationOrganizationQingdaoSummitinQingdaoCity,EastChina’sShandongProvince,June7,alistsfromhomeandabroadatthepresscenter.(Photo/VCG)VolunteersworkatthepresscenteroftheShanghaiCooperationOrganizationQingdaoSummitinQingdaoCity,EastChina’sShandongProvince,June7,alistsfromhomeandabroadatthepresscenter.(Photo/VCG)VolunteersworkatthepresscenteroftheShanghaiCooperationOrganizationQingdaoSummitinQingdaoCity,EastChina’sShandongProvince,June7,alistsfromhomeandabroadatthepresscenter.(Photo/VCG)VolunteersworkatthepresscenteroftheShanghaiCooperationOrganizationQingdaoSummitinQingdaoCity,EastChina’sShandongProvince,June7,alistsfromhomeandabroadatthepresscenter.(Photo/VCG)VolunteersworkatthepresscenteroftheShanghaiCooperationOrganizationQingdaoSummitinQingdaoCity,EastChina’sShandongProvince,June7,alistsfromhomeandabroadatthepresscenter.(Photo/VCG),capitalofChina,June7,mination,whichtakesplacefromJune7to8.(Xinhua/ShenBohan)ExamineestakeaselfiewiththeirfamilybeforethenationalcollegeentranceexaminationoutsideanexamvenueinChangchun,northeastChinasJilinProvince,June7,mination,whichtakesplacefromJune7to8.(Xinhua/LinHong),capitalofChina,June7,mination,whichtakesplacefromJune7to8.(Xinhua/ShenBohan),eastChina,June7,mination,whichtakesplacefromJune7to8.(Xinhua/XuXiaoxuan)ExamineesprepareforthenationalcollegeentranceexaminationoutsidetheexamvenueatFenyangHighSchoolinLyuliangCity,northChinasShanxiProvince,June7,mination,whichtakesplacefromJune7to8.(Xinhua/CaoYang)ExamineesenteranexamvenueinChangchun,northeastChinasJilinProvince,June7,mination,whichtakesplacefromJune7to8.(Xinhua/LinHong),capitalofChina,June7,mination,whichtakesplacefromJune7to8.(Xinhua/ShenBohan)

  HungHsiu-chu(front,C),formerchairwomanofKuomintanginTaiwan,leadsadelegationtopayhomagetodeceasedsoldiersoftheChineseExpeditionaryForcewhodiedwhilefightingtheJapanesearmyinWorldWarIIinMyanmar,atamartyrscemeteryinTengchongCounty,SouthwestChinasYunnanProvince,June11,2018.(Photo:ChinaNewsService/LiuRanyang)HungHsiu-chu,formerchairwomanofKuomintanginTaiwan,leadsadelegationtopayhomagetodeceasedsoldiersoftheChineseExpeditionaryForcewhodiedwhilefightingtheJapanesearmyinWorldWarIIinMyanmar,atamartyrscemeteryinTengchongCounty,SouthwestChinasYunnanProvince,June11,2018.(Photo:ChinaNewsService/LiuRanyang)HungHsiu-chu,formerchairwomanofKuomintanginTaiwan,leadsadelegationtopayhomagetodeceasedsoldiersoftheChineseExpeditionaryForcewhodiedwhilefightingtheJapanesearmyinWorldWarIIinMyanmar,atamartyrscemeteryinTengchongCounty,SouthwestChinasYunnanProvince,June11,2018.(Photo:ChinaNewsService/LiuRanyang)HungHsiu-chu,formerchairwomanofKuomintanginTaiwan,leadsadelegationtopayhomagetodeceasedsoldiersoftheChineseExpeditionaryForcewhodiedwhilefightingtheJapanesearmyinWorldWarIIinMyanmar,atamartyrscemeteryinTengchongCounty,SouthwestChinasYunnanProvince,June11,2018.(Photo:ChinaNewsService/LiuRanyang)HungHsiu-chu,theformerchairwomanoftheKuomintanginTaiwan,visitstheWesternYunnanWarofResistanceagainstJapaneseAggressionMemorialinTengchongCounty,Yunnanprovince,June11,2018.(Photo:ChinaNewsService/LiuRanyang)HungHsiu-chu,theformerchairwomanoftheKuomintanginTaiwan,visitstheWesternYunnanWarofResistanceagainstJapaneseAggressionMemorialinTengchongCounty,Yunnanprovince,June11,2018.(Photo:ChinaNewsService/LiuRanyang)AnaerialviewofacolorfulsaltlakeinYuncheng,ShanxiProvince,June6,,thesaltlake,knownasChinas"DeadSea",displaysdifferentcolorsasaresultofmicroorganismsinthewater.(Photo/IC)AnaerialviewofacolorfulsaltlakeinYuncheng,ShanxiProvince,June6,,thesaltlake,knownasChinas"DeadSea",displaysdifferentcolorsasaresultofmicroorganismsinthewater.(Photo/IC)AnaerialviewofacolorfulsaltlakeinYuncheng,ShanxiProvince,June6,,thesaltlake,knownasChinas"DeadSea",displaysdifferentcolorsasaresultofmicroorganismsinthewater.(Photo/IC)

  sMansioninBeijing,June8,"SplendidChina:ChinaIntangibleCulturalHeritageFashionShow",oneactivityofthe2018CulturalandNaturalHeritageDay.(Photo/ChinaDaily)TherequirementoftheroyalsletBeijingembroideryblossomintheMingandQingdynasties(1368-1911)sinceitwasbornintheTangDynasty(618-907).Anditgotanothername,royalembroidery,inancientChina,Beijingembroiderywasfollowedbymanycommonworkshops,becomingoneofthe"EightWondersofYanjing",sMansioninBeijing,June8,"SplendidChina:ChinaIntangibleCulturalHeritageFashionShow",oneactivityofthe2018CulturalandNaturalHeritageDay.(Photo/ChinaDaily)TherequirementoftheroyalsletBeijingembroideryblossomintheMingandQingdynasties(1368-1911)sinceitwasbornintheTangDynasty(618-907).Anditgotanothername,royalembroidery,inancientChina,Beijingembroiderywasfollowedbymanycommonworkshops,becomingoneofthe"EightWondersofYanjing",sMansioninBeijing,June8,"SplendidChina:ChinaIntangibleCulturalHeritageFashionShow",oneactivityofthe2018CulturalandNaturalHeritageDay.(Photo/ChinaDaily)Comparedtoothertraditionalembroideries,suchastheworksfromSuzhouandHunan,Beijingembroideryisknownforitsrichhuedcolors,,,thecraftswerelistedasanationalintangibleculturalheritage,,sMansioninBeijing,June8,"SplendidChina:ChinaIntangibleCulturalHeritageFashionShow",oneactivityofthe2018CulturalandNaturalHeritageDay.(Photo/ChinaDaily)Thefounder,YuDan,broughtherworks,aseriesoffineclothesdazzlingwithBeijingembroiderytoashowatthePrinceKung,fromtoddlerstoyoungwomentoagedcouples,sdailylifeinformsofmoderndesign,sMansioninBeijing,June8,"SplendidChina:ChinaIntangibleCulturalHeritageFashionShow",oneactivityofthe2018CulturalandNaturalHeritageDay.(Photo/ChinaDaily)Thedesigneraddedlighthuesintheseries,includingpaleblueandlightpink,tomaketheclothesmoresuitablefordailywear."Basedonthetraditionalcrafts,wealsocreatesomenewpatterns,,lilyflowerwasnotincluded,butnowweuseitonmanyofourclothes,",sMansioninBeijing,June8,"SplendidChina:ChinaIntangibleCulturalHeritageFashionShow",oneactivityofthe2018CulturalandNaturalHeritageDay.(Photo/ChinaDaily)"Theseclientsdontthinktheyhaveenoughconfidencetowearsuchclotheswithpowerfulanimalpattern,",YuestabsMansioninBeijing,June8,"SplendidChina:ChinaIntangibleCulturalHeritageFashionShow",oneactivityofthe2018CulturalandNaturalHeritageDay.(Photo/ChinaDaily)sMansioninBeijing,June8,"SplendidChina:ChinaIntangibleCulturalHeritageFashionShow",oneactivityofthe2018CulturalandNaturalHeritageDay.(Photo/ChinaDaily)sMansioninBeijing,June8,"SplendidChina:ChinaIntangibleCulturalHeritageFashionShow",oneactivityofthe2018CulturalandNaturalHeritageDay.(Photo/ChinaDaily)sMansioninBeijing,June8,"SplendidChina:ChinaIntangibleCulturalHeritageFashionShow",oneactivityofthe2018CulturalandNaturalHeritageDay.(Photo/ChinaDaily)FirefightingauthoritiesinChangchunCity,NortheastChina’sJ,assistedbysearchdogsandadvanceddevices,testedtheirknowledgeandskillsinquakeemergencyresponsesthroughdifferentscenarios,suchasremovingbuildingdebriswithmachines.(Photo:ChinaNewsService/MaXuewen)FirefightingauthoritiesinChangchunCity,NortheastChina’sJ,assistedbysearchdogsandadvanceddevices,testedtheirknowledgeandskillsinquakeemergencyresponsesthroughdifferentscenarios,suchasremovingbuildingdebriswithmachines.(Photo:ChinaNewsService/MaXuewen)FirefightingauthoritiesinChangchunCity,NortheastChina’sJ,assistedbysearchdogsandadvanceddevices,testedtheirknowledgeandskillsinquakeemergencyresponsesthroughdifferentscenarios,suchasremovingbuildingdebriswithmachines.(Photo:ChinaNewsService/MaXuewen)FirefightingauthoritiesinChangchunCity,NortheastChina’sJ,assistedbysearchdogsandadvanceddevices,testedtheirknowledgeandskillsinquakeemergencyresponsesthroughdifferentscenarios,suchasremovingbuildingdebriswithmachines.(Photo:ChinaNewsService/MaXuewen)FirefightingauthoritiesinChangchunCity,NortheastChina’sJ,assistedbysearchdogsandadvanceddevices,testedtheirknowledgeandskillsinquakeemergencyresponsesthroughdifferentscenarios,suchasremovingbuildingdebriswithmachines.(Photo:ChinaNewsService/MaXuewen)FirefightingauthoritiesinChangchunCity,NortheastChina’sJ,assistedbysearchdogsandadvanceddevices,testedtheirknowledgeandskillsinquakeemergencyresponsesthroughdifferentscenarios,suchasremovingbuildingdebriswithmachines.(Photo:ChinaNewsService/MaXuewen)FirefightingauthoritiesinChangchunCity,NortheastChina’sJ,assistedbysearchdogsandadvanceddevices,testedtheirknowledgeandskillsinquakeemergencyresponsesthroughdifferentscenarios,suchasremovingbuildingdebriswithmachines.(Photo:ChinaNewsService/MaXuewen)FirefightingauthoritiesinChangchunCity,NortheastChina’sJ,assistedbysearchdogsandadvanceddevices,testedtheirknowledgeandskillsinquakeemergencyresponsesthroughdifferentscenarios,suchasremovingbuildingdebriswithmachines.(Photo:ChinaNewsService/MaXuewen)FirefightingauthoritiesinChangchunCity,NortheastChina’sJ,assistedbysearchdogsandadvanceddevices,testedtheirknowledgeandskillsinquakeemergencyresponsesthroughdifferentscenarios,suchasremovingbuildingdebriswithmachines.(Photo:ChinaNewsService/MaXuewen)FirefightingauthoritiesinChangchunCity,NortheastChina’sJ,assistedbysearchdogsandadvanceddevices,testedtheirknowledgeandskillsinquakeemergencyresponsesthroughdifferentscenarios,suchasremovingbuildingdebriswithmachines.(Photo:ChinaNewsService/MaXuewen)

PeopleattendtheofficialopeningceremonyoftheFIFAFanFestinMoscow,Russia,onJune10,2018,(Photo:ChinaNewsService/WangXiujun)PeopleattendtheofficialopeningceremonyoftheFIFAFanFestinMoscow,Russia,onJune10,2018,(Photo:ChinaNewsService/WangXiujun)PeopleattendtheofficialopeningceremonyoftheFIFAFanFestinMoscow,Russia,onJune10,2018,(Photo:ChinaNewsService/WangXiujun)PeopleattendtheofficialopeningceremonyoftheFIFAFanFestinMoscow,Russia,onJune10,2018,(Photo:ChinaNewsService/WangXiujun)PeopleattendtheofficialopeningceremonyoftheFIFAFanFestinMoscow,Russia,onJune10,2018,(Photo:ChinaNewsService/WangXiujun)PeopleattendtheofficialopeningceremonyoftheFIFAFanFestinMoscow,Russia,onJune10,2018,(Photo:ChinaNewsService/WangXiujun)

  AChinesewhitedolphinsportsintheSanniangwanseaareainQinzhouCity,southChinasGuangxiZhuangAutonomousRegion,June10,2018.(Xinhua/ZhouHua)AChinesewhitedolphinsportsintheSanniangwanseaareainQinzhouCity,southChinasGuangxiZhuangAutonomousRegion,June10,2018.(Xinhua/ZhouHua)AChinesewhitedolphinsportsintheSanniangwanseaareainQinzhouCity,southChinasGuangxiZhuangAutonomousRegion,June10,2018.(Xinhua/ZhouHua)AChinesewhitedolphinsportsintheSanniangwanseaareainQinzhouCity,southChinasGuangxiZhuangAutonomousRegion,June10,2018.(Xinhua/ZhouHua)

  TheSoyuzMS-09spacecra,AlexanderGerstofGermanyandcosmonautSergeyProkopyevofRussiablastsofftotheInternationalSpaceStation(ISS)fromthelaunchpadattheBaikonurCosmodrome,Kazakhstan,June6,2018.(Photo/Agencies)TheSoyuzMS-09spacecra,AlexanderGerstofGermanyandcosmonautSergeyProkopyevofRussiablastsofftotheInternationalSpaceStation(ISS)fromthelaunchpadattheBaikonurCosmodrome,Kazakhstan,June6,2018.(Photo/Agencies)TheSoyuzMS-09spacecra,AlexanderGerstofGermanyandcosmonautSergeyProkopyevofRussiablastsofftotheInternationalSpaceStation(ISS)fromthelaunchpadattheBaikonurCosmodrome,Kazakhstan,June6,2018.(Photo/Agencies)TheSoyuzMS-09spacecra,AlexanderGerstofGermanyandcosmonautSergeyProkopyevofRussiablastsofftotheInternationalSpaceStation(ISS)fromthelaunchpadattheBaikonurCosmodrome,Kazakhstan,June6,2018.(Photo/Agencies)SingaporeanPrimeMinisterLeeHsienLoong(R)meetswithKimJongUn,chairmanoftheWorkersPartyofKorea(WPK)andchairmanoftheStateAffairsCommissionoftheDemocraticPeoplesRepublicofKorea(DPRK),inSingapore,onJune10,2018.(Xinhua/ThenChihWey)SingaporeanPrimeMinisterLeeHsienLoong(R)shakeshandswithKimJongUn,chairmanoftheWorkersPartyofKorea(WPK)andchairmanoftheStateAffairsCommissionoftheDemocraticPeoplesRepublicofKorea(DPRK),inSingapore,onJune10,2018.(Xinhua/ThenChihWey)

  Eightetiquettevolunteersposeforaphotoatthemediacenterforthe18thShanghaiCooperationOrganization(SCO)SummitinQingdao,eastChinasShandongProvince,June5,,000volunteershavebeenmobilizedtoofferservicesforthesummit,fromassistingwithguestsarrivalanddeparture,translation,andmediarequests,totheoperationofcityfunctionssuchastransportation,telecommunication,andbanks.(Xinhua/LiZiheng),2008showsJiangShifa(R)andhiswifeLianShifangasvolunteersfortheBeijing2008OlympicGamesSailingeventinQingdao;LowerphototakenonJune5,2018showsthecoupleasvolunteersfortheShanghaiCooperationOrganization(SCO)QingdaoSummit,inQingdao,eastChina,74yearsoldandhiswife,72yearsold,ittenyearsaftertheyservedasvolunteersfortheBeijing2008OlympicGamesSailingeventinQingdao.(Photo/Xinhua)JiangShifa(R)andhiswifeLianShifang,volunteersfortheShanghaiCooperationOrganization(SCO)QingdaoSummit,guideatouristinWendengRoadinQingdao,eastChinasShandongProvince,June5,,74yearsoldandhiswife,72yearsold,ittenyearsaftertheyservedasvolunteersfortheBeijing2008OlympicGamesSailingeventinQingdao.(Xinhua/JiangKehong)JiangShifa(R)andhiswifeLianShifang,volunteersfortheShanghaiCooperationOrganization(SCO)QingdaoSummit,giveouthandbooksatMingxialuCommunityinQingdao,eastChinasShandongProvince,June5,,74yearsoldandhiswife,72yearsold,ittenyearsaftertheyservedasvolunteersfortheBeijing2008OlympicGamesSailingeventinQingdao.(Xinhua/JiangKehong)JiangShifa(R)andhiswifeLianShifang,volunteersfortheShanghaiCooperationOrganization(SCO)QingdaoSummit,gatheratMingxialuCommunityfortraininginQingdao,eastChinasShandongProvince,June5,,74yearsoldandhiswife,72yearsold,ittenyearsaftertheyservedasvolunteersfortheBeijing2008OlympicGamesSailingeventinQingdao.(Xinhua/JiangKehong)JiangShifa(3rdR)andhiswifeLianShifang(2ndR),volunteersfortheShanghaiCooperationOrganization(SCO)QingdaoSummit,guidepassengersatabusstopinQingdao,eastChinasShandongProvince,June5,,74yearsoldandhiswife,72yearsold,ittenyearsaftertheyservedasvolunteersfortheBeijing2008OlympicGamesSailingeventinQingdao.(Xinhua/JiangKehong)EtiquetteteacherLuMin(1stR)instructsvolunteersforthe18thShanghaiCooperationOrganization(SCO)SummitinQingdao,eastChinasShandongProvince,June5,,000volunteershavebeenmobilizedtoofferservicesforthesummit,fromassistingwithguestsarrivalanddeparture,translation,andmediarequests,totheoperationofcityfunctionssuchastransportation,telecommunication,andbanks.(Xinhua/LiZiheng)Eightetiquettevolunteersforthe18thShanghaiCooperationOrganization(SCO)SummitpracticeinQingdao,eastChinasShandongProvince,June5,,000volunteershavebeenmobilizedtoofferservicesforthesummit,fromassistingwithguestsarrivalanddeparture,translation,andmediarequests,totheoperationofcityfunctionssuchastransportation,telecommunication,andbanks.(Xinhua/LiZiheng)

  ContestantsperformintheChinaBodybuildingChampionshipsinTianjin,June7,,thechampions(Photo:ChinaNewsService/TongYu)ContestantsperformintheChinaBodybuildingChampionshipsinTianjin,June7,,thechampions(Photo:ChinaNewsService/TongYu)ContestantsperformintheChinaBodybuildingChampionshipsinTianjin,June7,,thechampions(Photo:ChinaNewsService/TongYu)ContestantsperformintheChinaBodybuildingChampionshipsinTianjin,June7,,thechampions(Photo:ChinaNewsService/TongYu)Thislow-angleself-portraitofNASAsCuriosityMarsrovershowsthevehicleatthesitefromwhichitreacheddowntodrillintoarocktargetcalled"Buckskin"onlowerMountSharp.(Photo/Agencies)NASA’sCuriosityroverhasfoundnewevidencepreservedinrocksonMarsthatsuggeststheplanetcouldhavesupportedancientlife,aswellasnewevidenceintheMart,thesefindingsareagoodsignforfuturemissionsexploringtheplanet’“tough”organicmoleculesinthree-billion-year-oldsedimentaryrocksnearthesurface,aswellasseasonalvariationsinthelevelsofm,andalsomayincludeoxygen,,organicmoleculesalsocanbecreatedbynon-biologicalprocessesandarenotnecessarilyindicatorsoflife.“Withthesenewfindings,Marsistellingustostaythecourseandkeepsearchingforevidenceoflife,”saidThomasZurbuchen,associateadministratorfortheScienceMissionDirectorateatNASAHeadquarters,inWashington.“I’mconfidentthatourongoingandplannedmissionswillunlockevenmorebreathtakingdiscoveriesontheRedPlanet.”Thisself-portraitofNASAsCuriosityMarsroverobtainedFebruary4,2018showsthevehicleonVeraRubinRidge,whichitsbeeninvestigatingforthepastseveralmonths,directlybehindtheroveristhestartofaclaywherenorthisontheleftandwestisontheright,withGaleCratersrimonthehorizonofbothedges.-’sCuriosityroverhasfoundnewevidencepreservedinrocksonMarsthatsuggeststheplanetcouldhavesupportedancientlife,aswellasnewevidenceintheMart,thesefindingsareagoodsignforfuturemissionsexploringtheplanet’“tough”organicmoleculesinthree-billion-year-oldsedimentaryrocksnearthesurface,aswellasseasonalvariationsinthelevelsofm,andalsomayincludeoxygen,,organicmoleculesalsocanbecreatedbynon-biologicalprocessesandarenotnecessarilyindicatorsoflife.“Withthesenewfindings,Marsistellingustostaythecourseandkeepsearchingforevidenceoflife,”saidThomasZurbuchen,associateadministratorfortheScienceMissionDirectorateatNASAHeadquarters,inWashington.“I’mconfidentthatourongoingandplannedmissionswillunlockevenmorebreathtakingdiscoveriesontheRedPlanet.”

  TheGroupofSeven(G7)summit,whichkickedoffhereonFriday,isexpectedtobeatoughme,theworldsmostpowerfulindustrializedcountriesincludingCanada,France,Germany,Italy,Britain,JapanandtheUnitedStates,meeteveryyeartodiscusscollaborationonissueslikeworldeconomy,climatechange,,Quebec,uelMacrononissuesconcerningtradeandtheDemocraticPeoplesRepublicofKorea(DPRK),ssummitincludeincreasingin,theconfrontationoverWashingtonsunilateraldecisiontoimposemetaltariffsonimportsfromtheEuropeanUnion(EU)srejectionoftheglobalclimateaccordandIrannucleardealhavealsodividedtheG7."Itappearstobeoneagains,"saidPerrinBeatty,presidentandchiefexecutiveofficerofthe200,000-memberCanadianChamberofCommerce,slargestbusinessassociationisatanearbymediacenterlookingforsignsastowhetherCanada,theUnitedKingdom,France,Germany,ItalyandJapan--andtheEuropeanUnion(EU)asaparticipant--canconvincetheUnitedStatestorethinkitsanti-tradestrategy."Whatwehaveisapresidentwhohasunderminedthetrustoftheothersixleadersaroundthetable,andthatwillmakeitmuchmoredifficulttohaveacommonfrontonotherissuesaswell,"saidBeatty,,CanadafollowedtheEUsthattargetthehomestatesofprominentRepublicanmembersofCongress,suchasfruitjamsfromWisconsin--thehomestateofHouseSpeakerPaulRyan--andwhiskiesfromKentucky,--thehomestateofSenateMajorityLeaderMitchMcConnell."Wearehurtandwereinsulted,"saidCanadianFohwouldcomeintoeffectonJuly1iftheTrumpadministrationdidntwithdrawitsimporttaxes--to",andtryingtofind,whereverpossible,aCanadianorothersuppliertoprovidetheproducts."However,hesaidCanadasbusinesscommunityhasa"realconcern"withhowTrumpisattackingwhatshouldbethegoalofhaving"freeandopen"trade."Weveseenasuccessionofm,economies,"saidBeatty."Yetheseemsoblivioustotheconsequences."ncreasedcostsfornewspaperpublishersandnowimperilsthefateoflocalpapersacrosstheUnitedStates,ssoftwoodlumberindustry,butthathasresultedindrivingupthecostofhousingandfurnitureintheUnitedStatesandmakingAmericanfurnituremanufacturerslesscompetitive,sautoindustry,whichexportsabout80percentofthevehiclesitmanufacturestotheUnitedStates,orCanadasdairyindustry,basedonthepresidentsrecenttweetthat"CanadahastreatedourAgriculturalbusinessandFarmersverypoorlyforaverylongperiodoftime."AlloftheseactionsfurthererodeanyhopethattheNorthAmericanFreeTradeAgreement,currentlyunderrenegotiationbytheUnitedStates,CanadaandMexico,willsurvive,accordingtoBeatty."PresidentTrumphasmadeitclearthatheislessinterestedinhavinganagreementwhentheUnitedStateswinsthaninhavingonewhereeveryoneloses,"hesaid.",whetheryouareacustomerorasupplier,youwanttoensurethatbothhaveafairdealthatismutuallybeneficialandyouneverwantasituationwheresomeonefeelsvictimized.""YetthisseemstobePresidentTrumpfotherslose,"hewaselectedtotheHouseofCommonsasaMemberofParliamentforthethen-ProgressiveConservativePartyattheageof22."Ihaveneverseenaninstancelikethiswheredoingtradewitheachotheri,,diplomatically,culturallyandeconomicallythanwithanyothercountryintheworld,"JustinTrudeau,FrenchPresidentMacronandtheEUontradeissues,sayingheislookingforwardto"straighteningoutunfairTradeDeals",theleadershopetosignajoiloftensionbetweentheUnitedStatesanditsalliesindecades,fromtradetotheIrandealtoNAFTA,,Trumptweetedthathewas"gettingreadytogototheG-7inCanadatofightforourcountryonTrade."ButotherG7leaderswerepreparingforanAmericamorealonethaneverbefore,andnowTrumpfacestheveryrealriskofalliesteamingupagainsthim,thearticlesaid."TheAmericanpresidentmaynotmindbeingisolated,butneitherdowemindsigninga6countryagreementifneedbe,"MacrontweetedlateronThursday."UnderTrump,AmericafirstreallyisturningouttobeAmericaAlone,"theNewYorkersG7summit,,theFrenchpresidentsofficesaidFriday.

  RussianteenagericehockeyplayerslearnaboutkungfuduringavisittoBeijingHuijiaPrivateSchoolinBeijing,June11,2018.(Photo:ChinaNewsService/LiuGuanguan)RussianteenagericehockeyplayerslearnaboutkungfuduringavisittoBeijingHuijiaPrivateSchoolinBeijing,June11,2018.(Photo:ChinaNewsService/LiuGuanguan)ZhangYe,principalofBeijingHuijiaPrivateSchool,presentsgiftstovisitingRussianteenagericehockeyplayersinBeijing,June11,2018.(Photo:ChinaNewsService/LiuGuanguan)ARussianteenagericehockeyplayershowsaChinesecalligraphyworkduringavisittoBeijingHuijiaPrivateSchoolinBeijing,June11,2018.(Photo:ChinaNewsService/LiuGuanguan)

  VolunteerscleanwasteonbeachinDongshanCounty,southeastChinasFujianProvince,,,aUN-designateddayheldannuallyonJune8,aimstoarousepeoplesconsciousnesstopreserveoceansonEarth.(Xinhua/SongWeiwei)VolunteersfreefriesinSanya,southChinasHainanProvince,June6,,aUN-designateddayheldannuallyonJune8,aimstoarousepeoplesconsciousnesstopreserveoceansonEarth.(Xinhua/ChenWenwu)MembersofChinasAntarcticexpeditionputamicroplasticcollectorintothesea,,,aUN-designateddayheldannuallyonJune8,aimstoarousepeoplesconsciousnesstopreserveoceansonEarth.(Xinhua/BaiGuolong)CleanersclearthefloatingwasteinthefishbreedingraftsinHuangqiTownshipofLianjiangCounty,southeastChinasFujianProvince,June6,,aUN-designateddayheldannuallyonJune8,aimstoarousepeoplesconsciousnesstopreserveoceansonEarth.(Xinhua/JiangKehong)ChinasmannedsubmersibleJiaolongispreparedtodiveintheYapTrenchinthewestPacific,June13,,aUN-designateddayheldannuallyonJune8,aimstoarousepeoplesconsciousnesstopreserveoceansonEarth.(Xinhua/LiuShiping)PearlcultivatorstransfershellsatapearlcultivationfarminBeihaiCity,southChinasGuangxiZhuangAutonomousRegion,,,aUN-designateddayheldannuallyonJune8,aimstoarousepeoplesconsciousnesstopreserveoceansonEarth.(Xinhua/ZhangAilin)AlittlegirlstaysatacampinQingdaoHaichangPolarOceanParkinQingdao,acoastalcityineastChinasShandongProvince,May19,,aUN-designateddayheldannuallyonJune8,aimstoarousepeoplesconsciousnesstopreserveoceansonEarth.(Xinhua/LiZiheng)AseaweedharvestboatsailsataseaweedfarminSanshaTownshipinXiapuCounty,southeastChinasFujianProvince,,,aUN-designateddayheldannuallyonJune8,aimstoarousepeoplesconsciousnesstopreserveoceansonEarth.(Xinhua/JiangKehong),2018showsthesceneryofXinyingmangrovenationalwetlandparkinsouthChina,aUN-designateddayheldannuallyonJune8,aimstoarousepeoplesconsciousnesstopreserveoceansonEarth.(Xinhua/JiangEnyu),2017showstwilightthroughtheSeventeenArchBridgeintheSummerPalaceinBeijing,capitalofChina.(Xinhua/LiuXianguo)China,700activitieswillbeheldacrossChinatocelebratethisyearsculturalandnaturalheritageday,,whichwasestablishedtosafegstakealookat20culturalheritagesitesinChina,,originallynamedQingyiYuan,ortheGardenofClearRipples,wasanimperialgardenconstructedin1750byEmperorQianlonginabidtocelebratehismother,emperorsandempressesspenttheirleisuretimethere,eselandscapegardendesign,,capitalofsouthwestChinasTibetAutonomousRegion,,2018,togreettheSpringFestivalandTibetanNewYear.(Xinhua/Chogo),LhasaThePotalaPalace,winterpalaceoftheDalaiLama,hassymbolizedTibetanBuddhismanditscen,madeupoftheWhiteandRedPalaceswiththeirancillarybuildings,isbuiltonRedMountaininthecenterofLhasaValley,atanaltitudeof3,,JokhangTempleMonasteryandNorbulingkawereaddedtothelistrespectivelyin1994,,2018showsthesnowsceneryofWestLakeinHangzhou,eastChinaZhejiangProvince,,2018.(Xinhua/HuangZongzhi),,WestLakeCulturalLandscapeofHangzhouhasinspiredfamouspoets,,pagodas,pavilions,gardensandornamentaltrees,,2018showsseaofcloudsafterrainfallatHuangyaguansectionoftheGreatWallinTianjin,northChina.(Xinhua/YangYushan),theGreatWallwindsupanddownacrossdeserts,grasslands,mountainsandplateaus,,horsetracks,watchtowers,andsheltersonthewall,,000years,,itisstilloneofthemostappealingattractionsallaroundt,oneofthegreatestwondersoftheworld,,northwestChinasGansuProvince,,2016.(Photo/Xinhua),Gansuprovince,theMogaocaves,alsoknownastheThousand-BuddhaCaves,aretheworldslargest,mostrichlyendowed,,atthecrossroadsoftradeaswellasreligious,,thecarvingofthecavesstartedin366ADandcontinuedforabout1,,housingabout45,000squaremetersofmuralsandmorethan2,000paintedsculptures,,wi(Photo/Xinhua)sYuanDynastyinChina,slegendarycapitalcity,designedbytheMongolrulersChineseadvisor,LiuBingzhong,,includingtemples,palaces,tombs,nomadicencampmentsandtheTiefangangCanal,,,:/FengJun):anImperialSacrificialAltarinBeijingLocatedinthesouthernpartofBeijing,theTempleofHeavenisamagnificentcomplexoffirs,andisthelargestoneinBeijingamongseveralroyalaltarstoHeaven,Earth,theSun,,SoutheastChinasFujianprovince,onDec9,2016.(Photo:ChinaNewsService/WangDongming)e15thand20thcenturiesover120kilometersinthesouth-westofFujianprovince,irfunctionexe,,efilm,resembling"scarfs"and"dresses",aspartoftheirrestorationintheEmperorQinshihuangsMausoleumSiteMuseuminXian,Shaanxiprovince,Feb23,2015.(Photo/CFP)ntainingterracottawarriorsandhorsesarelocatedinLintongcounty,nearXi’ancity,,,themausoleumislaidoutinlinewiththedimensionsofXianyang,,,,ridianGate(WuMen)ofthePalaceMuseuminBeijing,April17,2018.(Photo:ChinaNewsService/DuYang)ForbiddenCity,locatedinthecenterofBeijing,,,,(anareaenclosedbyfourpoles).In1924,theimperialfamilyoftheQingDynastywasremovedfromtheForbiddenCity,age,nearMountHuangshan,Anhuiprovince,inMay.(Photo:ChinaDaily/WangHao),HuangshancityinsouthAnhuiprovince,thetwotraditionalvillagesXidiandHongcunarearchitecturalcomplexes,,landscape,architecturalform,decorationandconstructiontechniquesallretaint,northChinasShanxiProvince,April22,,listedasaUNESCOWorldCulturalHeritagesitein2001,willwitnessatourismpeakastheMayDayholidayiscoming.(Photo:Xinhua/YanYan),some16kmwestofDatongcity,Shanxiprovince,theYungangGrottoeswerebuiltagainstthemountainandextendaboutonekm(),000statueswithinacarvedareaof18,000squaremeters,YungangGrottoesrepresenttheoutstandin,withtheirstrictunityoflayoutanddesign,coPoliticalPartyForumvisitLiuyuanorLingeringGardeninSuzhou,eastChinasJiangsuProvince,April22,2013.(Xinhua/ShenPeng),whichseekstorecreateminiaturenaturallandscapes,isnotillustratedanybetterthanintheninegardensinthehistoriccityofSuzhou,’,2017showstheviewofChengdesummerresortinnorthChinasHebeiProvince.(Xinhua/LiuMancang),ChengdeIntermsofthegenerallayout,architecturalstyles,constructiontechniques,decorationdetailsandgardenlandscape,theMountainResort,avastcomplexofpalacesandadministrativeandceremonialbuildingsbuiltbetween1703and1792,representsthebroadexchangeandconvergencebetweenHancultureandtheethniccultures-Confucianism,BuddhismandTaoism-andthearchitecturalstylesbetweenChina,theMountainResorthastemplesofmanyarchitecturalstylesandimperialgardensblendeffortlesslyintoalandscapeoflakes,,,centralChinasHenanProvince,April17,(Xinhua/ZhuXiang)e(618-907).Located13kmsouthofLuoyang,Henanprovince,theLongmenGrottoesareconcentratedontheeastandwestcliffsoftheYishuiRiver,,duringtheNorthernWeiDynasty,Grottoes,liketheTwentyGemsofLongmenCalligraphyandZhuSuiliang’sstonetablets,,madein641inhonorofthemotherofthefourthsonofEmperorTaizong,,,LushanMountainisoneofthemostrenownedmountainsandtourismresortsinthecountry.(Photo/ShanghaiDaily),LushanMountainisoneofChina’,whichwasinscribedontheWorldHeritageListin1996,i,LushanisthebirthplaceofChineselandscapepoetry,plus,thefamousLushanPlenumrepresentsitsroleinChina’,,southwestChinasYunnanProvince,,SCOin1997.(Photo:Xinhua/YangZongyou),lyingontheLijiangplainatanelevationof2,400metersinsouthwestYunnanprovinceofChina,alandstrategifelementsfromseveralcultures,anditsancientwater-supplysy,WudangMountain,alsoknownasTaiheMountain,isbothafamousscenicspotandaholysiteofTaoism,Chinasindigenousreligion.(Photo/)anjiangkouincentralHubeiprovince,theWudangMountainsarehometoafamouscomplexofancientpalaces,periodofnearly1,,anannualeventputonbythespecialadministrativeregionsgovernment,sonSundaynight,(Photo:Xinhua/ZhangJinjia)’straditionalChinesedesign,itstandswitnesst’smissionaryroleintheFarEastwhilealso,formingthemostuniqueblendofculturalheritageexistinginChina’,,clairaudienceandtheJadeEmperorintheDazuRockCarvingsinChongqingmunicipality.(Photo/TheofficialWechataccountofDazuRockCarvings),,’,50,000statuesand100,000inscribedwithChinesecharacter,1999.

  

  1978年中国城市人均居住面积比1950年下降多少?

 
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