As a prerequisite the students are assumed to have knowledge in basic fluid mechanics, ship resistance and propulsion.

先修课程要求：流体力学，船舶原理(阻力、推进部分)。

youdao

In view of the resistance and propulsion, the load water line, shape of sections, half Angle of entrance, forms of tunnel and their effect on propeller were analysed and compared.

根据我国航道条件就现有浅水拖输艏艉线型形状进行了探讨，从阻力和推进观点出发对满载水线、横剖面形状、半进水角和各种坠洞以及它们对螺旋桨的影响等加以分析、比较。

youdao