The mankind has marched into the 6th decade of outer space exploitation, and the manned space flight has made a history of 50 years.
人类和平利用外空已近60年，载人航天也走过了50年的历程。
Look back on the past, space exploitation is very brilliant.
回顾过去，空间开发成就卓著。
The successful launch and return of Shenzhou-VI, marks that our aerospace technology has entered the era of large-scale near-space exploitation and utilization.
神六的成功发射和返回，标志着我国的航天事业进入了大规模开发和利用近地空间的新阶段。
Underground space exploitation on a large scale in city will bring a mass of discarded soil.
城市地下空间的大规模开发利用将产生大量弃土。
Underground space exploitation on a large scale in city will bring a mass of discarded soil.
城市地下空间的大规模开发利用将产生大量弃土。
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