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1999年11月21日,我国发射的第一艘试验飞船在完成了空间飞行试验后,成功地在内蒙古自治区中部着陆.这次试验飞船的成功发射与回收,标志着我国载人航天技术有了新的重大突破.
人在太空中……
【摘 要】
：
1999年11月21日,我国发射的第一艘试验飞船在完成了空间飞行试验后,成功地在内蒙古自治区中部着陆.这次试验飞船的成功发射与回收,标志着我国载人航天技术有了新的重大突破.
【出 处】
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科技文萃
【发表日期】
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2000年3期
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