利用线性叠加原理，通过求解两组代数方程组，从而分离出点力与点电荷的耦合作用。
Then by the principle of superposition and solving two sets of algebraic equations, the interaction between the point force and the point charge was uncoupled.
另外，本文还分析比较了S型和U型管道的阻力变化规律，提出可用线性叠加原理计算的判据。
In addition, variations in resistance of S-like and U-like pipes are analyzed and compared. And criteria suitable for linear superposition calculation are also presented.
利用级数展开和线性叠加原理，本文给出了一种求取弹性坝面动水压力影响系数矩阵的数值算法。
A method is set forth to calculate the hydrodynamic pressure influence matrix of elastic dam using series development and linear superposition theorem in this paper.
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