underwater 专八

The ship was underwater when they reached her.

他们赶到那艘船时, 船已沉到。

A four-joint flexible underwater pisciform propulsion system is developed and the control flow chart is presented.

计四关节柔性下仿鱼形推进器，给出控制流程图，建立运动学方程。

The undulatory biomimetic propulsor is a new underwater propulsor which emulates the swimming mode of Gymnarchus Niloticus.

摘要波动仿生推进器是以“尼罗河魔鬼”为仿生对象计的新型下推进装置。

Still, she swam the lastfew meters underwater and surfaced in the shadows of a cutbank beforeturning and looking back.

尽管如此，她还是潜过最后几米，在一处堤岸突出部的阴影下露出头来，这才转身看向来路。

Dahn line From a surface buoy a vertical drop line is positioned alongside underwater pinnacles in depths to 2,500 m.

延绳钓法将主钓鱼线绑上无线电鱼标(浮筒),并主(干)绳以一定间距布放带鱼钩之子绳。

BENJI AT MARINELAND follows the emotive pup underwater as he communes with barracudas, dolphins, fish, and assorted other sea friends.

本片带你一睹这只感情丰富的小狗如何在下和梭鱼、海豚、生动物和其他海洋动物朋友“交流谈心”的。