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国际空间站 

        国际空间站是当今最大的载人航天器,为桁架挂舱式结构。国际空间站由基础桥架、居住舱、服务舱、供能舱、实验舱、节点舱及太阳能电池帆板等36个组件组成,总重量为470吨,体积为1200立方米,长88米,太阳能电池帆板幅长110米,供电系统的功率超过50千瓦,它将保证由7名宇航员组成的乘员组在400千米高度的轨道上长期飞行和工作。空间站可容纳15人同时进行科学考察,它的使用寿命为15年。


The International Space Station

        The international Space Station is the largest manned spacecraftcurrently. It is a modules-hung-on-the-truss-bridge configuration .The International Space Station is composed of 36 elements , including basic truss bridge, habitation module ,service module ,power supply module ,laboratory module , connecting module (or nodes),solar arrays ,etc .It has a total weight of 470 tons , a volume of 1200 cubic meters and a length of 88 meters .The solar array is 110-meter in span and its power supply system generates about 50 kilowatts of power, which can ensure 7 crews to live and work on a  400-high orbit for a long term .This space station can accommodate 15 crews at one time for science research Its liftetime is 15 year.    


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