The aim of this paper is to give a more or less general treatment of vibration of elastic non-uniform strut, such as composite wooden screw-propeller.
本文以集合木制螺旋桨作为启示的出发点，从而想使弹性直杆振动问题能初步臻于一个比较更一般的处理。
The strength calculation formula of the screw propeller under the action of centrifugal force was obtained through multivariate fitting.
经多变量拟合，得到了离心力作用下螺旋推进器的强度计算公式。
Usually, the fullest efficiency of screw propeller is 75% with the rest energy lost in the way of whirlpool.
通常螺旋推进器最大效率为75％，其余的能量以漩涡的形式损失。
The measurement of screw propeller is an important procedure in its manufacture.
螺旋桨的测量是其制造过程中一个很重要的工序。
Also let us adjust the size or pitch of the screw propeller, then try to get high-speed running.
也让我们调整大小或摊位的螺旋桨，然后尝试获得高速运行。
The screw propeller is very efficient for push water.
在螺旋桨是非常有效的推水。
Screw propeller theory is then used to calculate the axial thrust and to analyze factors that influence the thrust.
讨论了各种因素对轴向水推力的影响，包括各项推力系数的选取和修正。
The screw propeller which is used by ships abroad is one typical application of ejecting mode because it is easy to manufacture and install and is reliable.
目前广泛应用于船舶驱动的螺旋桨实际上是射流方式的一种具体应用。
The value of apparent viscosity is influenced by the diameter of the screw propeller.
用直径较大的转子测得的表观粘度较低。
The asymmetrical skeg is an energy-saving unit which is fixed on the sternpost forward of the propeller on a single screw ship.
不对称尾鳍是安装在单桨船螺旋桨前方艉柱上的一种节能装置。
It is easy to adapt to the Stirling engine boat, but the propulsive force is lower than that of the screw propeller.
人们很容易适应斯特林发动机船，但推进力是低于螺旋桨。
ZTJ series of Screw Propeller are used as cycle stirring devices for lying pulp and paper making industry to keep fiber in suspension and also well-distributed.
ZT J系列螺旋桨是推进器用于制浆造纸工业作为卧式浆池的循环搅拌装置。以使纤维保持悬浮状态，保持纸浆的组成部分在浆料中均匀分布。
Secondly this dissertation analyses two important parts-the screw propeller and the propulsion motor.
然后着重分析吊舱式电力推进系统的两个重要组成部分：螺旋桨和推进电机。
Because of the influence of the hull, the stern propeller of a twin-screw vessel is working under condition of oblique flow, and the unsteady working condition of the blade of a propeller is created.
由于船体的影响，双桨船的螺旋桨处于斜向来流的条件下运转。斜流造成螺旋桨叶工作状态的非定常性。
Special shape fiber winding to screw propeller hub splint of helicopter was analyzed.
针对某直升机尾桨叶梁的异型缠绕进行分析。
Special shape fiber winding to screw propeller hub splint of helicopter was analyzed.
针对某直升机尾桨叶梁的异型缠绕进行分析。
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