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.
这个可爱的滑就拥有了耐用性和双舱外活动的唯一支持双缝建设。
This cute slip-on boasts a double-stitched construction for durability and a dual-EVA sole for support.
这使得中国成为世界上第三个执行太空舱外活动的国家。其它两个国家分别是前苏联和美国。
That will make China the third country to conduct extra-vehicular activity (EVA) in space. The other two to have achieved that are the former Soviet Union and the US.
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.
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.
6月3日，1964年，爱德华·怀特成为第一位美国宇航员执行太空行走，否则作为舱外活动(EVA的已知)，外面双子座四胶囊去20分钟。
On June 3, 1964, Edward White became the first American astronaut to perform a spacewalk, otherwise known as an extra-vehicular activity (EVA), going outside this Gemini iv capsule for 20 minutes.
6月3日，1964年，爱德华·怀特成为第一位美国宇航员执行太空行走，否则作为舱外活动(EVA的已知)，外面双子座四胶囊去20分钟。
On June 3, 1964, Edward White became the first American astronaut to perform a spacewalk, otherwise known as an extra-vehicular activity (EVA), going outside this Gemini iv capsule for 20 minutes.
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