目的模拟载人飞船上升段应急返回在海上溅落，航天员处于水上漂浮状态时的海面环境。

Objective To simulate the water environment during floating status after astronauts returned and splashed down on the sea because of space capsule emergency in the launching stage.

youdao

目的模拟载人飞船上升段应急返回在海上溅落，航天员处于水上漂浮状态时的海面环境。

Objective To simulate the water environment during floating status after astronauts returned and splashed down on the sea because of space capsule emergency in the launching stage.

youdao