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A controlled deorbit requires the use of several core systems, including those for communications, power, and avionics. Some of the ISS machinery was not specifically certified to perform in a depressurized environment. (NASA believes that critical systems would remain operable, based on technical analyses, and emphasizes that many of these systems are already used in vacuum.) Another thing to worry about: the ISS losing control over its orientation in space. The spacecraft could start tumbling, flipping the station’s solar arrays away from the sun, taking the primary source of power with it.。关于这个话题，heLLoword翻译官方下载提供了深入分析
，这一点在safew官方版本下载中也有详细论述
mkdir -p ~/www/anqicms
Цены на нефть взлетели до максимума за полгода17:55。关于这个话题，heLLoword翻译官方下载提供了深入分析