亚美优惠多一点手机版

BEIJING,June20--ChieftradenegotiatorsofChinaandtheUnitedStateswillcommunicateinlinewiththeinstructionsmadebythetwoheadsofstate,theMinistryofCommerce(MOC)onsandmakepreparationsforthemeetingofthetwoheadsofstateduringtheG20SummitinOsaka,sfundamentalprinciples,,andChinascoreconcernsmustbeproperlyaddressed,Gaosaid.",retailersandmanufacturingenterpriseshadexpressedobjectiontoadditionaltariffs,""Thereisnowinnerinatradewar,",itwillinvitesevereimpactsonitsowneconomicdevelopmentandthewell-beingofitsownpeople,Gaosaid."Chinafirmlyopposestradebullyingofunilateraladditionaltariffsandescalationoftradefrictions,anditwilltakenecessarycountermeasures,"thespokespersonsaid."redbyenterprisesandconsumersinbothcountriesandcausingrecession-leveldamagetotheglobaleconomyandtocreatethenecessaryconditionsandenvironmentforsolvingproblemsthroughdialogueonanequalfooting,"stwolargesteconomies,ChinaandtheUnitedStateshavecomplementaryeconomicstructures,verycloselinksandenormousconverginginterests,Gaoadded."Webelievebothsidescanfindwaystoproperlysolvetheirproblemsthroughequitabledialogueandaccommodatingeachotherslegitimateconcerns,"hesaid.

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HousepricesinChinasmajorcitieslargelyremainedstablelastmonthamidthecountrystighteningcontroloftherealestatemarket,,newhousepricesinfourfirst-tiercities--Beijing,Shanghai,,,saidtheNationalBureauofStatistics(NBS),pricesofresoldhousesinfirst-andsecond-tiercitiesregisteredslowe,,,tiatedrealestatepoliciesinMaybasedonlocalconditions,contributingtothestabledevelopmentofChinaspropert,,,(),,achiefanalystwiththerealestateagencyCentalineProperty,partiallyattributedtheslowergrowthofthepro,ChinashousingregulatoralertedfourChinesecitiesovermarkedhousingpricerisesinthepastthreemonths,urginglocalgovernmentstotakemecingsuchascapitalinflowsthroughshadowbanksandloanmisappropriation,accordingtoadocumentrelscontinuouseffortstosupportthesounddevelopmentofthepropertymarketundertheprincipleof"housingisforlivingin,notforspeculation."Chinashousingsalesandpricesareexpectedtoremainstableinthesecondhalfofthisyear,withpossibleslowerincreasesinrealestateinvestmentandconstruction,accordingtoareportbytheChinaInternationalCapitalCorporationLimited.

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亚美优惠多一点,Adjustfontsize:视频播放位置PresidentVladimirPutinsignedadecreeonFriday,orderingRussianairlinestoindefinitelysuspendpassengerflightsfromRussidtoProtecttheCitizensofRussiafromCriminalandOtherIllegalActionsadvises,publishedontheKremlinwebsite,demandstheRussiangovernmenttakemeasurestoensurethereturnofRussiancitizenstemporarilystayinginGeorgia,,whichenteredintoforceimmediately,orderstheRussianForeignMinistryandotherrelevantdepartmentstoestablishcoordinationwiththeGeorgianauthoritiesinresolstactionsongoinginGeorgia,FridayafterthousandsofGeorgianpeoplegatheredinfrontoftheparliament,including80policemen,wereinjuredintheLOSANGELES,June21(Xinhua)--Atwin-engineskydivingaircraftcrashedFridayeveningnearanairfieldontheHawaiianislandofOahu,killingallninepassengersonboard,localauthoritiesconfirmed."WithextremesadnessHDOTreportstherewere9soulsonboardtheKingAirtwinengineplanethatwentdownnearDillinghamAirfieldwithnoapparentsurvivors,"ivedthefirstcallofthedownedcraftatabout6:(0830GMT)andwhenfirefightersarrived,,partoftheHawaiianislandchainandhometothestatecapital,Honolulu.最新凯时app下载WASHINGTON,June20(Xinhua)--eenWashingtonandTehran,(CENTCOM)saidThursdaythatanAmericanunmannedaircraftwasshotdownbyanIranianairdefensesystemwhilasurveillancemissionininternationalairspacewasshotdownbyIran,JosephGuastella,,saidinastatement.",",HosseinSalami,chiefcommanderofIransIslamicRevolutionGuardsCorps(IRGC),,,notamoreubiquitousandcheaperReaperdrone,indicated,ErikLin-Greenberg,afellowatStanfordUniversitysCenterforInternationalSecurityandCooperation,"bigmistake"byIran."Iranmadeaverybadmistake,"TrumptoldreportersattheOvalOffice,"looseandstupid."Trumpdeniedthespeculationthathisaideswerepushinghimtowar,butmadeitcleartoreportersthattheshoot-downofthedronewas"anewwrinkle",SalaminotedthatIranisnotseekingwarwithanycountry,ndTehran,,theUnitedStatesdeployedtheAbrahamLincolnaircraftcarriergroup,bombers,,,dronesandfighterjets,aso-called"prudentresponsetocrediblethreatsfromIran."InthewakeoftheattackontwooiltankersintheGulfofOman,thePentagonearlierthisweekauthorizedthedeploymentofabout1,000additionaltroopstotheregionfor"defensivepurpose."EventhoughboththeTrumpadministrationandtheIraniangovernmenthaverepeatedlyclaimedthattheydonotseekconflict,wnbetweenWashingtonandTehran."Itoldthepresidentthattheseconflictshaveawayofescalating,"SenateMinorityLeaderCharlesSchumertoldreportersafterhismeetingwithTrumplateThursday."Thepresidentmaynotintendtogotowarhere,butwereworriedthat--andtheadministrationmaybumbleintoawar."BarbaraSlavin,directoroftheFutureofIranInitiativeattheAtlanticCouncil,warnedinanarticlethattheescalatoryspiralintheregionwouldcontinuewithpotentialdisastrousconse,EliotEngel,chairmanoftheHouseCommitteeonForeignAffairs,"militaryactionagainstIranwithouttheapprovalofCongressisabsolutelynotanoption."TheUnitedStateshassquanderedadisproportionateshareofitstimeandresourcesontheMiddleEastoverthepastthreedecades,andawarofchoicewithIranwouldcompoundthisstrategicerror,saidRichardHaass,smaximumpressurecampaignagainstIranhasbeena"maximumfailure,"Slavinargued."Itistimefordiplomatstomeettodiscusswaysofgettingoutofthismess."根据调整后的2018年分数计量值(fractionalcount/FC),排名前十的国家中,只有中国和澳大利亚实现了科研产出的正增长。

另外,对于弹窗广告的投诉举报,相关部门在设置网上便捷通道快速受理的同时,是否也可以设立奖励机制,给举报属实的网民发个小红包鼓励一下,是如此,弹窗广告注定会“无处遁形”。亚美优惠多一点手机版火星模拟基地MarssimulationbaseChinawillestablishthecountrysfirstMarssimulationbase,inNorthwestChinasQinghaiprovince,thelocalgovernmentsaidTuesday.当地政府8日宣布,我国将在青海省建立国内首个火星模拟基地.何为火星模拟基地(Marssimulationbase)?火星模拟基地的用处是什么?中科院国家天文台研究员郑永春说,火星模拟基地是开展火星科学基础研究,进行火星与地球对比研究的天然实验室.我国首个火星模拟基地项目将落户青海省海西州大柴旦红崖地区(theredcliffregioninDaQaidamdistrictintheMongolian-TibetanautonomousprefectureofHaixi).选择海西是因为它具有和火星相似的地形地貌、自然风光、气候条件(Mars-likelandform,landscapeandclimate).据悉,我国首个火星模拟基地也将集科学传播、旅游观光、体验休闲、科学实验为一体,基地项目包括天文与航天科普教育(spaceandastronomicaleducation)、主题休闲度假(Mars-themedtourism)、影视作品摄影(filmshooting)、科学研究(scientificresearch)与模拟训练等重点内容.当地主管部门表示,未来将以星空文化产业为主要发展方向,把该基地打造成我国首个火星文化创意体验基地(Chinasfirstculturalandtouristexperiencebase).

BEIJING,June23(Xinhua)--ChinascouriergiantsYunda,STOExpress,YTOExpressandSFHoldingreportedhigherbusinessincomeinMaywiththecontinuedmomentumfore-commercegrowth,,amajorChineseexpressdeliveryfirm,()inMay,accordingtothecompany,withitscourierbusinessvolumeup43percentfromayearago,attributedtheexpansiontothelastingboomofthee-commercesectoraswellastheimprovementofitscourierservices,,,,,,,thecompanysmonthlyreportshowed.供给侧结构性改革Supply-sidestructuralreform"Supply-sidestructuralreform"wasproposedbyChinaspolicymakersinNovember,sgovernmentworkreportandfurtherelaboratedinthe13thFive-YearPlan(2016-20).Supply-sidereformwilladvanceeconomicrestructuringbyreducingineffectiveandlow-endsupply,年11月在中央财经领导小组第十一次会议上"供给侧改革"概念首次被提出.供给侧结构性改革,是指从提高供给质量出发,用改革的办法推进结构性调整,矫正要素配置扭曲,扩大有效供给,提高供给机构对需求变化的适应性和灵活性,提高全要素生产率.从2015年开始,以去产能、去库存、去杠杆、降成本、补短板为重点的供给侧结构性改革,经中央经济工作会议定调后,已正式拉开大幕.Relatednews:  RescuerssearchforsurvivorsatthescenewhereabuildingcollapsedinPreahSihanouk,Cambodia,June22,,whichwasunder-construction,insouthwesternCambodiasPreahSihanoukprovinceearlySaturdayhasrisentoseven,thePreahSihanoukProvincesAdministrationsaidinastatement.(Xinhua/TheCambodiaChinaTimes)PHNOMPENH,June22(Xinhua)--Thedeathtollinthecollapseofaseven-storybuilding,whichwasunder-construction,insouthwesternCambodiasPreahSihanoukprovinceearlySaturdayhasrisentoseven,thePreahSihanoukProvincesAdministrationsaidinastatement."Asof2:(localtime),sevenpeopleincludingawomanwerefounddeadunderthedebrisand21otherswereinjured,"dth,thecommanderofPreahSihanoukProvincialMilitaryPolice,toushedtothePreahSihanoukProvincialHospitalanalreadyjoinedtherescue,sendingonelargeexcavator,,aspokesmanfortheMinistryofLandManagement,UrbanPlanning,andConstruction,saidthebuildingwasconstructedwithoutpermission."Itwasanunlicensedproject,andtheprovincialauthoritieshadwarnedthedevelopertwice,buttheyignoredthewarnings,":,thePreahSihanoukProvincesAdministrationsaidinthestatement,addingthatthebuildingwasconstructedo,andsafetystandardsonconstructionsitesremainaproblem.NorthwestChinasQinghaiProvincewillsetanewrecordforitselfonSundaywhenitfinishesa15-daystretchofrelyingonlyongreenelectricity,whichiselectricitygeneratedfromsustainableandnon-pollutingsourceslikewind,water,nandTibetanAutonomousPrefecture,QinghaiProvince,onJuly24,2018.[FilePhoto:IC]Theprovince,whichishometomorethansixmillionpeople,successfullycompletedanine-daytriallastyearwhenitreliedongreenelectricity,,theYellow,theYangtze,andtheLancang,[FilePhoto:IC]Accordingtotheprovinces13thfive-yearplan,Qinghaiwillexpanditssolarandwindcapacitytoreach35millionkilowattsby2020,andwillsupply110billionklpowerstations.

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涂朋2020-04-01

杞孝公匄InternationalOlympicCommittee(IOC)PresidentThomasBach(frontL)poseswithChineseOlympicchampionWuJingyuduringtheOlympicDayRuninLausanne,Switzerland,June22,2019.(Xinhua/XuJinquan)LAUSANNE,June22(Xinhua)--Morethan30sportsstarsincludingOlympictaekwondochampionWuJingyuofChinatookpartintheOlympicCapitalRunhereonSaturday,aspartoftheinaugurationofOlympicHouse,thenewhe,togetherwiththeOlympicmedallists,havewon125Olympicmedals,,whowongoldmedalsatthe2008and2012SummerOlympics,wastheonlyathleterepresentingthesportoftaekwondo."Ifeelveryhonoredtobeinvitedtotakepartinthisevent,"Wusaid."Althoughwecomefromdifferentcountriesanddifferentsports,wearelikeabigfamily."TheRunstartedinthegardens-featusOlympicRunattractedover2,000participants.

FeastyourearsonthemusicalclassicsoftheeastwithMUSICTALKS,theMiddleKingdom’smashupofclassicalmusicandin-depthdiscussionswithsomeofChina’,getsomeperspective,,searchforMusicTalksonApplePodcast.[PhotobyChinaPlus]Inthefollowingthreeepisodes,MUSICTALKSexplorestheerhu,abowedstringinstrument,withJinYue,,thechieferhuinstrumentalistwithChinaNationalTraditionalOrchestra.[PhotoCourtesyofJinYue]WatchcohostsNiuHonglinandTonyReidexploretheerhuwithinstrumentalistJinYue.(Clickthebarbelowtolisten)

韩烈侯2020-04-01 15:37:10

HousepricesinChinasmajorcitieslargelyremainedstablelastmonthamidthecountrystighteningcontroloftherealestatemarket,,newhousepricesinfourfirst-tiercities--Beijing,Shanghai,,,saidtheNationalBureauofStatistics(NBS),pricesofresoldhousesinfirst-andsecond-tiercitiesregisteredslowe,,,tiatedrealestatepoliciesinMaybasedonlocalconditions,contributingtothestabledevelopmentofChinaspropert,,,(),,achiefanalystwiththerealestateagencyCentalineProperty,partiallyattributedtheslowergrowthofthepro,ChinashousingregulatoralertedfourChinesecitiesovermarkedhousingpricerisesinthepastthreemonths,urginglocalgovernmentstotakemecingsuchascapitalinflowsthroughshadowbanksandloanmisappropriation,accordingtoadocumentrelscontinuouseffortstosupportthesounddevelopmentofthepropertymarketundertheprincipleof"housingisforlivingin,notforspeculation."Chinashousingsalesandpricesareexpectedtoremainstableinthesecondhalfofthisyear,withpossibleslowerincreasesinrealestateinvestmentandconstruction,accordingtoareportbytheChinaInternationalCapitalCorporationLimited.

姬元2020-04-01 15:37:10

Xinhua,June23,2019Adjustfontsize:DoctorsperformplasticsurgeryattheHuameiMedicalCosmetologyHospitalinShanghai.[PhotoprovidedtoChinaDaily]Chinahassteppedupeffortstocrackdownoncosmeticsurgeryviolations,accordingtotheNationalHealthCommission(NHC).Atotalof1,219criminalcasesrelatedtomedicaltreatmentanddrugsafetywerehandledand1,899suspectsweredetainedbypoliceinacampaignaimedatcrackingdownonviolationsincosmeticsurgerybetweenMay2017andApril2018,,atotalof4,646complaintswerereceivedacrossthecountry,4,,878medical,000producersandsellersofdrugsandmedicalapparatusandequipment,and184ofthemweresuspendedfromserviceandsevenhadtheirlicensesrevoked,,institutionsillegallyofferingcosmeticsurgerytraining,andcosmetic-surgery-relatedcommercialadvertisementsanelligenttechnology,encouragingindustrialassociationsplayingabiggerroleinself-regulation,,  在印度国内一些网站上,有网友“喊话”美国政府:“印度不需要美国,美国更需要印度。。亚美优惠多一点手机版,Chinahasstatedthatalthoughitdoesn’twantatradewar,’,“Chinaisdoomedtofail”.There’snodoubtthatthetradedisputewillnegativelyaffectChina’seconomy,butthosewhobelieveinChina’,tyandp,professoranddirectoroftheCenterforSustainableDevelopmentatColumbiaUniversity,saidthat“Chinaisnotanenemy”,addingthat“therealbattleisnotwithChinabutwithAmerica’sowngiantcompanies”.ThePetersonInstituteforInternat,asumthatwillriseto2,200dollarsif25“Trumprecession”.,whichtriggeredstrongoppositionfromitstradepartners,,,:areyoureadyWeshouldnotturnablindeyetodifficulties,,butanunwisedecisionthatwilleventuallyplaceChinesepeopleinlo’“Chinaisdoomedtofail”;atthesametime,,,,wehaveonethingtosay:fearisnotinourvocabulary.。

陈超2020-04-01 15:37:10

AlibabaGroupHoldingLtdisplanningaone-to-eightsharesplitasthee-commercegiantpreparesforastocksalethatcouldbeHongKongslargestsince2010,ldto32billion,,,whichcouldraiseasmuchas$20billion,willreplenishtheonlineretailer,thecompanywillseektopreserveitsgovernancesystemwhereapartnershipoftopexecutiveshasrightsincludingtheabilitytonominateamajorityofboardmembers,spossiblealsothatthecompanymaynotneedtoseekawaiver,asthecityslistingrulesallowsomeChineseissuerswhohavealreadylistedonanestablishedinteslargestcorporationcouldraiseupto$20billion,Alibabahasnotfinalizeditsfundraisingtarget,Yorkafterraising$25billioninwhatremainstheworld,whichdoesthebulkofitsbusinessinChina,recentlyhadamarketcapitalizationofabout$417billionandisoneofthecountryargemarketforAlibabasshares,sstockexchangelastyearchangeditsrulestofacilitatelargeChinesemainlasboursealsoa,whichhasacomplexgovernancestructurethatg,YAOUNDE,June21(Xinhua)--Fifty-ninestudentsfromtheConfuciusInstituteinCamerooywellintheChineseproficiencytest(HSK),24,level2studentattheConfuciusInstituteandareceiveroftheChineseambassadorscholarship,saidtheprizewillassistherinlearningChineselanguagemoreproficiently."BystudyingChinaanditsculture,theseyoungCameroonianswillbecarriersofthemessageoffriendshipbetweenourtwocountries,"sceremonyalsocon,whoisleavingCameroonaftervolunteeringfortwoyears."Itsanunforgettablemoment,andImsogratefultomystudents,mycolleagues,andmyfamilywhoImissedsomuchduringmystayabroad,","onedaywewouldmeetagaininChina."。部分女性会有内分泌失调、失血量较多和痛经等症状。。

何一辛2020-04-01 15:37:10

TIANJIN,June21(Xinhua)--BeijingDaxingInternationalAirportwillgenerateabout600,000newjobsinthefuture,,withtheCivilAviationAdministrationofChina(CAAC),saidthatby2025,theairportwillsee72millionpassengerswithaneconomicprofitof130billionyuan().Theairportwillcontribute900billionyuantotheregionaleconomy,,withtheauxiliaryprojectsinitsvicinitycostingabout330billionyuan,ssurgingairservicedemandandrelievethetightflightpressureonBeijingCapitalInternationalAirport,scivilaviationauthoritieshavebee,green,smartandhuman-orientedairports.,亚美优惠多一点手机版区块链blockchainBlockchainisanewcomputertechnologythatcombinestheapplicationofdistributeddatastorage,point-to-pointtransmission,encryptionalgorithmandotheradvancedtechnologies,rencybitcoin,whereitservesasthepublicledgerforalltransactionsonthenetwork.区块链技术是利用块链式数据结构来验证与存储数据、利用分布式节点共识算法来生成和更新数据、利用密码学的方式保证数据传输和访问的安全、利用由自动化脚本代码组成的智能合约来编程和操作数据的一种全新的分布式基础架构与计算范式.区块链的概念在2008年被提及,在随后的几年中,成为了电子货币比特币的核心组成部分,既作为所有交易的公共账簿.Relatednews:。The2ndHainanIslandInternationalFilmFestivalwillbeheldfromDecember1to8inSanya,’sfestivalwil,outdoorfilmscreeningsonthebeach,filmindustryforums,’lengthfilms,’sRepublicofChina,localfilmmuseumsofthesouthernislandprovincewillalsoorganizeaspecialexhibitiontitled“BeginningFromFilm.”Theproject-exchangemarketwillbetarg’sorganizingcommitteesaidthattheyarealsolearningfrommarkettoboostthedevelopmentoftheChinesefilmindustry.(Agencies)。

孙毅2020-04-01 15:37:10

Adouble-deckbushasbeenusedforSTEAMeducationatPoLeungKukChoiKaiYauschoolinHongKong.(Photo/VideoscreenshotfromCNSTV)(ECNS)--AschoolinHongKonghasconvertedabusintoasustainabledevelopmentresearchandexhibitioncenter,,thedouble-deckbushasacollectionoflearningresourcesforScience,Technology,Engineering,ArtsandMathematics(STEAM)ed“BusVacantSeatDetectingSystem,”whichwaslaunchedbystudentsandawardedfirstrunner-upintheJuniorInve,oneofthefivestudentinventors,saidtheirdesignwasinspiredbynewsreportsofelderlypeopl,oneofthebiggestpublictransportcompaniesinHongKong,,theprincipleofPoLeungKukChoiKaiYauschool,saidthebuswillencouragestudentstothinkabouttherelationshipbetweent,theHongKongSARGovernmenthaspromotedSTEAMeducation,ashiftfromtheexcessiveemphasisonbusinessandmedicalscienceinthepast.,MOSCOW,June21(Xinhua)--PresidentVladimirPutinsignedadecreeonFriday,orderingRussianairlinestoindefinitelysuspendpassengerflightsfromRussidtoProtecttheCitizensofRussiafromCriminalandOtherIllegalActionsadvises,publishedontheKremlinwebsite,demandstheRussiangovernmenttakemeasurestoensurethereturnofRussiancitizenstemporarilystayinginGeorgia,,whichenteredintoforceimmediately,orderstheRussianForeignMinistryandotherrelevantdepartmentstoestablishcoordinationwiththeGeorgianauthoritiesinresolstactionsongoinginGeorgia,FridayafterthousandsofGeorgianpeoplegatheredinfrontoftheparliamentbuildingindowntownTbilisiinprotestagainstaRussianlawmaker,including80policemen,wereinjuredinthehOssetiaaswellasabriefarmedconflictinAugust2008.。天舟一号Tianzhou-1Chinahastakenanothersteptowarditsgoalofputtingaspacestationintoorbitaround2022,bysendingitsfirstcargospacecraftTianzhou-1intospaceonThursdayevening.我国首个货运飞船天舟一号于20日晚发射升空,我们朝着2022年前后建立轨道空间站的目标又迈进了一步.AtopaLongMarch-7Y2carrierrocket,Tianzhou-1roseintotheairfromtheWenchangSpaceLaunchCenterinsouthChinasHainanProvinceat7:月20日19时41分,搭载着天舟一号货运飞船的长征七号遥二运载火箭,在我国文昌航天发射场点火发射.天舟一号(Tianzhou-1)是我国自主研制的首艘货运飞船(thefirstcargospacecraftdevelopedbyChina),也是中国目前为止体积最大、重量最重的航天器(thelargestandheaviestspacecraft).由于它只运货,不送人,所以被形象地称为太空"快递小哥"(spacecourier/deliveryman).天舟一号采用两舱式结构,直径较小的是推进舱(propellingmodule),直径较大的为货物舱(cargomodule).飞船全长米,最大直径米,起飞质量(takeoffweight)约13吨,太阳帆板展开后最大宽度米,物资运输能力(payloadcapacity)约吨,推进剂补加能力约为2吨.Tianzhou-1smostcapablecargospacecraftinservice:JapansH-IITransferVehiclehas6tonsofpayloadcapacity;theCygnusandDragon,bothUS-madecraft,;andRussia天舟一号吨的物资运输能力使其成为世界上运输能力最强的现役货运飞船:日本的H-II货运飞船运输能力为6吨;美国的"天鹅座"和"龙"飞船的运输能力分别为吨和吨;俄罗斯的进步-MS飞船为吨.天舟一号在太空要执行哪些任务?飞船入轨后,将按预定程序与在轨运行的天宫二号先后进行自动交会对接(autonomousdocking)、自主快速交会对接(autonomousfastdocking)等3次交会对接,3次推进剂在轨补加(propellantin-orbitrefueling)以及空间应用和航天技术等领域的多项实(试)验.首次对接:两天后,天舟一号与天宫二号进行首次交会对接.之后,天舟一号与天宫二号组合体将进行为期两个月的在轨飞行.期间,计划完成3次推进剂在轨补加试验(experimentsonpropellantin-orbitrefueling),同时测试货运飞船对组合体的控制能力(testthecontrollingabilityofthecargospacecraftoverthetwospacecraft).二次对接:完成首次对接后,天舟一号与天宫二号分离,然后绕飞到天宫二号的另一侧,进行第二次对接.第二次对接的主要任务是进行绕飞实验(fly-aroundtests),检验天舟一号前向对接能力(capabilityofforwarddocking).之后天舟一号与天宫二号再次分离,两个飞行器将独立飞行三个月,完成搭载的空间科学试验(spacescientificexperiments).三次对接:天舟一号与天宫二号进行最后一次对接,验证自主快速交会对接(autonomousfastdocking)技术,要求在六小时左右实现对接.完成所有既定任务后,天舟一号将受控离轨,陨落至空间安全海域(fallintoadesignatedseaarea).此次任务是中国载人航天工程空间实验室阶段(spacelaboratorystageofChinamannedspaceengineering)的收官之战,对于空间站工程后续任务顺利实施具有极为重要的意义,将标志着中国载人航天工程胜利完成"三步走"战略中的"第二步"任务,为空间站建设任务奠定坚实技术基础.1992年9月,中国实施载人航天工程并确定中国载人航天"三步走"的发展战略(three-stepmannedspaceprogram):第一步,发射载人飞船(mannedspaceship),建成初步配套的试验性载人飞船工程,开展空间应用实验.2013年神舟5号载人飞船任务顺利完成.第二步,突破航天员出舱活动技术(extra-vehicularactivity)、空间飞行器的交会对接技术(rendezvousanddocking),发射空间实验室(spacelab),解决有一定规模的、短期有人照料的空间应用问题.第三步,建造空间站,解决有较大规模的、长期有人照料的空间应用问题(operateapermanentmannedspacestation).  。

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