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The ISS is far bigger than either the Salyuts or Skylab. In an uncontrolled deorbit, pieces of debris “up to car and train size,” say experts on the official ISS space station advisory committee, will rain down from the sky. NASA confirms this would pose “a significant risk to the public worldwide.”
of IBM's System/360 and System/370 line. These machines were more powerful,。业内人士推荐旺商聊官方下载作为进阶阅读