求一篇关于天宫一号的英语短文,其他的热点时事也行,必须是英文,本人有急用,
求一篇关于天宫一号的英语短文,
其他的热点时事也行,必须是英文,本人有急用,
求一篇关于天宫一号的英语短文,其他的热点时事也行,必须是英文,本人有急用,
求一篇关于天宫一号的英语短文,
其他的热点时事也行,必须是英文,本人有急用,
Tiangong-1isarendezvousanddockingtargetspacecraftofChina'smannedspaceengineeringproject,mainlydevelopedbyChinaAcademyofSpaceTechnology.Adoptinganewdesignandalotofnewtechnology,Tiangong-1consistsofanexperimentmoduleandasupportmodule,whichislikeasmallspacestation.Theexperimentmoduleisusedforastronautstoliveandwork,providingthemwithappropriatelivingconditionssuchascabinpressure,temperature,humidityandgascomponents.Thefrontpartoftheexperimentmoduleisfittedwithadockingmechanismandthemeasuringandcommunicationsequipmentusedforsupportingtherendezvousdockingwiththespacecraft.Thesupportmodulecanprovidepowersupplyfororbitmaneuveringandspacecraftorbiting.
Tiangong-1isexpectedtobelaunchedaboardanimprovedLongMarch-2Flaunchvehiclein2011,anddockwithShenzhou-8spacecraftafterin-orbittesting,whichisscheduledtobelaunchedlater.
China'smannedspaceengineeringprojectfollowsa"three-step"strategicplan.ThefirststepistosendChineseastronautsintospace,conductmulti-dayandmulti-mannedspaceflightwithsafereturntothepresetposition.ThetasksofthefirststephavebeenperfectlycompletedwiththeShenzhou-5toShenzhou-7missions.Thesecondstepistomakeabreakthroughinthekeytechnologyofcarryingoutextravehicularactivityandrendezvousdocking,sendspacestationintospace,andperformshort-termmannedspaceapplicableexperiment.Thethirdstepistobuildapermanentspacelaboratorythatallowsastronautstoconductlong-termmannedspaceapplicableexperiment.