guest Moderator 管理成员 注册 2002-10-07 消息 402,244 荣誉分数 76 声望点数 0 2019-07-19 #1 In what sounds like something straight out of science fiction, researchers are testing out a form of artificial gravity to counter the physiological hazards of weightlessness astronauts experience in space. 查看原文...
In what sounds like something straight out of science fiction, researchers are testing out a form of artificial gravity to counter the physiological hazards of weightlessness astronauts experience in space. 查看原文...
