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。
It is found that basic dynamic equations can be derived from the Chenzi theorem, including three Newton's laws of motion, kinetic energy theorem, the law of motion of the center of mass.
从陈子定理可以推导出质点动力学的基本定理，包括牛顿运动三定律，动能定理，质心运动定理。
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 differential equations of motion of a particle constrained to moving in a constant speed are deduced from the kinetic energy theorem.
对于受速率为常数约束的运动质点，可以应用动能定理建立其运动微分方程。
A theorem on kinetic energy for variable mass-point and formula of work of recoil internal forces are given and the reason of soft-rope query is discussed.
给出变质量质点的动能定理和一对反推内力作功的表达式，并由此给出软绳问题的正确解释。
In accodance with kinetic energy theorem, this paper presents an angular mo- mentum theorem of velocity instantaneous centre axis. This theorem is a simple and convenient scalar equation.
从动能定理出发，推导出一个对速度瞬心轴的角动量定理，它是一个简便的标量方程。
The use of electrostatic theorem to explain chemical bonding has been criticized on the grounds of that it hides the important role of kinetic energy in bonding.
应用静电定理以阐明化学成键，基于它隐藏了功能在成键中的重要作用，曾受到了批评。
Many factors of influencing on sliding speed were analyzed from the viewpoint of energy, and the calculation formulas of sliding speed were deduced by kinetic energy theorem.
从悬索的悬链线标准线形出发，对滑索进行设计计算； 按能量的观点分析影响滑速的诸多因素，用动能定理导出滑速的计算式。
The theorem of relativistic kinetic energy has been derived, and the normalized model of relativistic space charge wave is derived as well.
导出了相对论电子注的动功率流定律，求得了相对论空间电荷波的正规模式。
Many of these appear to be fairly uniform, so by the virial theorem the total kinetic energy should be half the total gravitational binding energy of the galaxies.
多数这些好象是很统一，因此靠维里法则总动能应该是星系总引力聚合能的一半。
Many of these appear to be fairly uniform, so by the virial theorem the total kinetic energy should be half the total gravitational binding energy of the galaxies.
多数这些好象是很统一，因此靠维里法则总动能应该是星系总引力聚合能的一半。
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