The first launch of Falcon 9 could change the course of human space flight.
猎鹰9号的首次发射可能会改变人类太空飞行的进程。
But why spend money on human space flight at all?
但是,归根结底,为什么要花钱在载人航天飞行上呢?
This is the milepost of human space exploration.
这是人类探索太空的里程碑。
A Chinese human space program will have practical short - and long - term benefits.
中国的载人航天计划无论是在短期,还是长期都将取得实质性的收益。
Space materials science research is one of the most valuable human space explorations.
空间材料科学研究是人类最有价值的空间探索事业之一。
Space materials science research is one of the most valuable human space explorations.
空间材料科学研究是人类最有价值的空间探索事业之一。
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