Some important factors are considered, which include variable mass of recoiling parts and coupling between multi body dynamic equations and interior ballistic equations.

重点考虑后坐部分变质量、多体动力学方程与内弹道方程的耦合等因素。

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Main factors to influence ground resistivity variation and characteristics of multi-years dynamic change are introduced.

叙述了地电阻率变化的主要影响因素和多年动态变化特征。

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