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日本宇宙开发事业团(NASDA),根据美航宇局(NASA)提出的空间站各部分的预备设计审查(增量的PDR),明确了空间站日本舱(JEM)的概要。其增压舱内径和外部舱的一部分结构和原方案不同,过去未定的补给舱暴露区的安装位置明确定在外部舱顶
Japan’s Space Development Agency (NASDA) identified a summary of the space station Japan Chamber (JEM) based on a preliminary design review (incremental PDR) of various sections of the space station proposed by NASA. The structure of the inner diameter of the booster cabin and a part of the outer cabin are different from the original ones. The installation location of the exposed area of the unpredictable recharge tank is clearly set on the outer roof