This gives the Joint STARS aircraft higher operational altitude and longer mission duration, while significantly reducing the maintenance burden of the older engines.
这使联合星飞机飞得更高，延长执行任务的持续时间，同时大大降低了旧发动机的维护负担。
As for mission duration under powered space flight, Deep space 1 gets to keep that record for another few months until Dawn eclipses that record as well on August 10.
在动力航天的任务期限内，深空1号保持了几个月的记录，直到8月10号曙光号改写了记录。
To counter these effects on a long-duration mission, say, Mars, astronauts will certainly need to create their own artificial gravity.
比如在火星上，为了在长期任务中对抗这些影响，宇航员肯定需要人为制造重力。
The ventures must be located in Chicago for the duration of the program, but their mission can aim to have national or global reach, according to Jones.
据琼斯所言，为了项目的存续，合资企业不得不建在芝加哥，但是他们的目标是覆盖全国乃至全球范围。
The duration of the spaceplane's first mission isn't being announced.
该航天飞机的第一个任务持续时间不被公布。
They will investigate the psychological and medical aspects of a long-duration space mission, preparing for future human missions to the Moon and Mars.
志愿者们将评估长期封闭的环境对人类造成的生理和心理影响，为未来的月球、火星之旅积累经验。
They will investigate the psychological and medical aspects of a long-duration space mission, preparing for future human missions to the Moon and Mars.
志愿者们将评估长期封闭的环境对人类造成的生理和心理影响，为未来的月球、火星之旅积累经验。
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