dropping velocity

基本解释

On the other side, the research about the Free Dropping velocity of sphere particle is mature, and it has come into some theories and calculation methods which have been accepted widely by people.
与此相反，球形粉尘自由沉降速度方面的研究已经比较成熟，形成了一些被人们广泛接受的理论和计算方法。
In non linear packaging system, the system parameter and dimensionless dropping shock velocity are the evaluation quantities.
对于非线性包装系统，系统参数和无量纲跌落冲击速度是产品跌落破损的评价量。
The measuring of wave velocity of frozen calcic clay shows:the wave velocity increases with temperature dropping;
前言：通过对冻结钙质粘土的波速测定，证实随着温度的降低波速增大；

沉降速度
This article is mainly to research how to calculate the Free Dropping velocity of Fiber-Particle, and carry out experiment research. In the domain of aerosol, it's difficult to carry out the research concerning about fiber-particle.
本文主要研究了纤维性粉尘自由沉降速度的计算方法，并进行了实验研究。