Both the impulse equations of structural dynamics and the solution were established, and the (numerical) stability and accuracy of the integral formulation were also discussed.

在结构动力分析中提出了建立冲量方程并求解的方法，给出了该方法的积分格式并讨论了其数值稳定性、精度等数值特性。

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A new approach to analysis of multi-port waveguide junctions, based on the numerical solution of iris electric field integral equations, is presented and discussed.

以波导结孔径面电场积分方程的矩量解法为基础，本文提出了一种多端口波导结的新型数值分析方法。

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