extravehicular activity

extravehicular activity 基本解释

太空船外活动（简称EVA）

extravehicular activity 用法和例句

1、Ergonomics implications of astronaut extravehicular activity

航天员舱外活动的工效学问题

2、Ergonomics implications of extravehicular activity spacesuit glove

舱外航天服手套的工效问题

3、The orbital radiation heat flux received by the spacesuit used for extravehicular activity is analyzed.

分析了舱外航天服在轨道空间环境的辐射换热热流。

4、According to flight procedure arrangement, astronaut, in the extravehicular activity has about 20 minutes.

根据飞行程序安排，航天员在舱外活动有20分钟左右。

重点词汇

extravehicular a. 宇宙飞船外的, 座舱外的

activity n. 活动；活跃，敏捷；活动力；教育活动