manned space flights翻译

manned space flights的基本解释

读音: 美: 英:

载人航天飞行：指搭载人员进行的太空飞行任务。

例句

For the first time in half a century, the space agency Nasa has no manned space flights on its agenda.这是半个世纪来美国宇航局NASA日程上首次没有载人太空飞行任务。
Many people who support the objectives of the space pro-gram still wonder whether manned space flights are justified. Wouldn't it be better to concentrate on unmanned flights?很多支持航天计划目标的人也在考虑载人飞行是否有道理，把精力集中于无人飞行是否更好？
Atlantis returned safely from its final mission on July 21st, bringing an end to 30 years of NASA's space-shuttle voyages, and thus to American manned flights in space.7月21日，亚特兰蒂斯号结束最后一次任务安全返航，结束了国家航空航天局30年的航天飞机之旅，也结束了美国的载人航天飞行。
0
纠错

相关推荐：