A mathematical model for the trajectory of the jet axis was proposed on the principle of momentum conservation.
以动量守恒原理为基础，建立了侧吹射流轴轨迹的数学模型。
The principle of conservation of momentum holds whatever the nature of the internal forces, conservative or not.
动量守恒原理则不管内力的性质如何（保守的或非保守的）都能适用。
This paper reports a derivation of distribution by applying maximum entropy principle and conservation laws of mass, momentum and energy to atomization process.
论述了应用最大熵原理及质量、动量和能量守恒定律到喷雾过程中，导出了液滴尺寸和速度分布规律。
The equation of a spacecraft with solar arrays are obtained by using the conservation principle of momentum .
利用动量矩守恒原理导出带太阳阵航天器的动力方程，指出了系统的非完整约束性质。
The equation of a spacecraft with solar arrays are obtained by using the conservation principle of momentum .
利用动量矩守恒原理导出带太阳阵航天器的动力方程，指出了系统的非完整约束性质。
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