Such equations are deemed to have important application in general ship dynamics and a theorem is established to facilitate the derivation of the equations.

相信一般的船舶动力学中这些方程会有重要的应用。本文建立了一个定理以便于推导这一方程。

youdao

A good pirate captain had to know the astronomy to navigate by the stars. He had to be acquainted with meteorology and know enough fluid dynamics to make sure he didn't overload his ship with booty.

一名优秀的海盗船长必须了解天文学，通过星相来导航，还必须熟知气象学，对流体动力学也要十分了解，这样他才不会给船上装载过量的战利品。

youdao

He had to be acquainted with meteorology and know enough fluid dynamics to make sure he didn't overload his ship with booty.

也应该熟悉气象学，懂得足够多的流体动力学知识，保证自己的船没有因战利品超载。

youdao

General Dynamics NASSCO, a major ship design, construction and repair company, mailed warn letters to about 1, 040 employees in San Diego, Norfolk and Mayport, informing them that they could be indefinitely laid off in April -- at the end of April through the summer, due to the possible cancellation or delay of maintenance and repair work and uncertainty created by sequestration.

WHITEHOUSE: Press Briefing