According to the requirement of the total diving number and the assumption of the distribution type, the fatigue load spectrum for the 7000m deep manned submersible is given.

根据设计任务书中规定的总的下潜次数要求，最后给出了我国目前正在研制的7000米载人潜水器耐压球壳的疲劳载荷谱。

youdao

He tested the free-diving self-propelled submersible — one of only two in existence at the time — on increasingly deep dives off the California coast.

他带着自动潜水器练习着单人潜水，一个人在海中生存，在加利福尼亚的海岸上跳下。

youdao

He tested the free-diving self-propelled submersible - one of only two in existence at the time - on increasingly deep dives off the California coast.

VOA: standard.2010.06.21