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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.，这一点在safew官方下载中也有详细论述
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Film type: Polaroid i-Type Color Film (sold separately) / Film size: 4.2 x 3.5-inch prints / Weight: 648 grams / Charging method: USB-C / Companion app: Yes / Other features: Flip-up lid, scene analysis feature
Цены на нефть взлетели до максимума за полгода17:55，更多细节参见Line官方版本下载