Using Lorentz alterrnate, this paper bears out force of motion electric charge acting on static charge.

文中利用洛仑兹变换给出了运动电荷作用在静止电荷上的力。

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In this paper, the inverse force analysis of planar three spring system is studied using numerical continuation. All static equilibrium positions of the system is obtained.

将连续法引入机构动力学，研究了平面一般三弹簧系统的静力逆分析，得到了该系统的全部平衡位置。

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By using the method of maximum error, the paper deals with the analysis of the static error of the six-component force test stand of solid rocket motors.

本文用最大误差方法，对固体火箭发动机六分力立式试验台的静态误差进行了分析。

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