至少根据曾在20世纪70年代驾驶涡轮螺旋桨飞机完成在柬埔寨的战斗任务力德先生所言，涡轮螺旋桨飞机比起喷气式战斗机还有另一个好处。
And there is one other advantage that the turboprop has over the jet, at least according to Mr Read-who flew turboprops on combat missions in Cambodia during the 1970s.
所得的回归表达式适用于计算机进行螺旋桨的进、倒车推(拉)力计算，同时便于进行船舶操纵性研究。
These expressions are suitable for calculating the value of the propeller thrust with computer and convenient for the study of the ship 's maneuverability.
并通过模型试验进一步证实该船振动的成因主要是由于螺旋桨在不均匀流场中运转时产生的激振力所致。
It is verified by means of model test that the ship vibration is caused by the propeller-excited force, which is generated by the propeller running in the non-uniform stern flow field.
本文介绍引起船体稳态振动的柴油机及螺旋桨激振力的计算方法。
This paper introduces the calculating methods of diesel engine and propeller induced forces which often result trouble in ship hull steady vibration.
人们很容易适应斯特林发动机船，但推进力是低于螺旋桨。
It is easy to adapt to the Stirling engine boat, but the propulsive force is lower than that of the screw propeller.
空气螺旋桨是把航空发动机的动力转化为飞行器推进力的工具。
Air propeller is the tool which transforms the power of aerial engine to the thrust of aircraft.
本文主要介绍由船舶螺旋桨引起的激振力以及减少振动的尾部线型设计。
The paper gives a introduction to the mechanism of exciting force induced by propeller and the stern lines design that can reduce the vibration.
用面元法对吊舱螺旋桨的水动力性能进行了计算，得到了吊舱推进器的敞水曲线和轴承力。
The hydrodynamic performance of podded propeller is calculated, including the open water characteristics and bearing force.
本文从斜流产生螺旋桨侧向力出发，导出舵后桨组合体的综合侧向力。
Depending on the principle of the transverse force of propellers produced in oblique flow, this paper acquires the overall transverse force of propellers after rudders.
本文从降低螺旋桨激励力入手，进而减小尾部结构振动响应。
The paper presents an attempt to reduce this vibration response by reducing the propeller excitation, which is proved successful and is a good reference to the future work in …
这个游泳助推器就是用腿、脚的蹬力带动螺旋桨旋转，产生较大的推力。
The booster for swimming is characterized in that the propeller is driven to rotate by utilizing pedaling force of legs and feet. Thus, the great thrust is generated.
这个游泳助推器就是用腿、脚的蹬力带动螺旋桨旋转，产生较大的推力。
The booster for swimming is characterized in that the propeller is driven to rotate by utilizing pedaling force of legs and feet. Thus, the great thrust is generated.
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