美国在1973年第一次发射太空站，称为太空实验室计划，配备太阳观测平台与医学实验室。
The U. S. orbITed ITs first space station in 1973; called Skylab, IT was equipped as a solar observatory and medical laboratory.
据官方消息，中国计划于2016年前发射一座太空实验室，同时希望于2020年拥有一座长期有人照料的太空站。
China plans to launch a space laboratory before 2016, and hopes to have a space station in orbit capable of accommodating long-term stays in space by around 2020, officials have said.
紧接着将其它的组件加入太空站，整个计划需要组装综合实验室和居住空间，交错在绵长的构架支撑四片大型太阳动力数组。
Other elements were subsequently joined to the station, with the overall plan calling for a complex of laboratories and habitats crossed by a long truss supporting four large solar power arrays.
在14天的飞行中将计划安排三次太空行走。分别是：安装Kibo实验室、替换一只空氮气箱以及在一个尝试各种方法清理被卡住的太阳能电池翼旋转关节。
Three spacewalks are planned during Discovery's 14-day flight, to install Kibo, replace an empty nitrogen-gas tank and try out various cleaning methods on a clogged solar-wing rotating joint.
“天空实验室计划”的目的是，研究一个人在太空中的失重状态下长时间生活和工作的能力。
The objective of the Sky Lab Mission was to study a person's ability to live and work for extended periods in the weightless conditions of space.
“天空实验室计划”的目的是，研究一个人在太空中的失重状态下长时间生活和工作的能力。
The objective of the Sky Lab Mission was to study a person's ability to live and work for extended periods in the weightless conditions of space.
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