variable mass system [物] 变质量系统 ; [物] 变质量系
variable mass mechanical system 变质量力学系统
variable mass holonomic system 变质量完整系统
variable mass system mechanics 变质量系统力学
rotational variable mass system 转动变质量系统分别
variable mass controllable system 可控变质量系统
variable-mass thermodynamic system 变质量热力系统
dynamics of variable mass system 变质量系统动力学
The kinetic energy theorem of mass variable system is derived from the kinetic equation of mass variable body.
从变质量物体的动力学方程出发，推导出变质量系统的动能定理。
The kinetic energy theorem of mass variable system is derived from the kinetic equation of mass variable body. The practical value of it is pointed out using an example.
从变质量物体的动力学方程出发，推导出变质量系统的动能定理。指明其实用价值，并举例加以说明。
The effect of stiffness constant, viscosity damper coefficient and variable mass on the damped frequency and the relative damping ratio of the system were studied.
研究了系统刚度、粘性阻尼系数尤其是变质量等参数对系统固有频率和阻尼比的影响。
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