The values of the fluid dynamic force of the bottom rudder and open water rudder are also compared with the related test results.

文中把船底舵、敞水舵的流体动力和有关资料进行了比较。结果表明两者拟合良好。

youdao

And a ship without rudder may wander aimlessly among perilous isles yet sink not to the bottom.

一只无舵之船漫无目的漂游于险恶的岛屿间，还不至于沉入水底。

youdao

Yaw axis - Vertical axis, passes through the airplane from top to bottom - left and right control is by rudder.

偏航轴—又称垂直轴。由机身上方通向下方。飞机绕此轴转动即造成机首之左右运动，此一运动由方向舵控制。

youdao

There was just a bit of water on the bottom, and when he checked the rudder and sail and boom everything seemed to be in working order.

NEWYORKER: Max at Sea