China has selected 2 female preparatory astronauts for the first time since the country started its manned spaceflight program.
中国实施载人航天工程以来首次选定了2名女预备航天员。
Out of the seven original Mercury astronauts, three of them were selected as candidates for the first manned U.S. spaceflight: John Glenn, Gus Grissom and Shepard.
从7位最初的水星宇航员中，其中三位被选为第一次美国载人航天的候选人：约翰.格伦,加斯.格里森和谢泼德。
Out of the seven original Mercury astronauts, three of them were selected as candidates for the first manned U.S. spaceflight: John Glenn, Gus Grissom and Shepard.
从7位最初的水星宇航员中，其中三位被选为第一次美国载人航天的候选人：约翰.格伦,加斯.格里森和谢泼德。
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