承担此项历史性任务的航天员要先在另一名航天员的帮助下穿上120公斤的无动力舱外活动航天服。
The astronaut shouldering the historic task will need the help of another astronaut to put on a 120kg, non-powered spacesuit for the extra vehicular activity.
资料与综合在运用航天员太空活动和地面训练的生理学和工效学资料的基础上，对舱外活动工效学进行了较系统的阐述。
Literature and synthesis on the basis of physiology and ergonomics literatures about EVA and its ground simulation, this article explains systematically the ergonomics of EVA.
预计这次出舱活动从打开舱门算起，到关上舱门需要半小时到四十分钟左右，航天员在舱外活动二十分钟左右。
The EVA is expected to open the door from the beginning, the need to close the door and a half hours to four minutes, the astronauts in extravehicular activities, two minutes.
预计这次出舱活动从打开舱门算起，到关上舱门需要半小时到四十分钟左右，航天员在舱外活动二十分钟左右。
The EVA is expected to open the door from the beginning, the need to close the door and a half hours to four minutes, the astronauts in extravehicular activities, two minutes.
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