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“礼炮”号世界上第一个空间站,1971年4月由前苏联发射上天,宇航员在它上面连续停留的时间最长为63天。
“Salute” No. The world's first space station, launched in April 1971 by the former Soviet Union, astronauts stay on top of it for a maximum of 63 days.