因此，为了改善由射流前置级驱动的伺服阀的性能，研究伺服阀前置级射流流场的数学模型及分布规律是至关重要的。
Therefore, in order to improve the performance of hydraulic servo valve, it is important to study the mathematical model and distribution of jet flow field.
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 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.
在模型中考虑了炸药爆轰、金属的驱动、药型罩压垮以及射流和杵体的形成过程。
The detonation of explosive, the interaction of the explosive with the metal liner, the collapse of the liner, and the formation of the jet and slug were taken into account in the models.
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