... mechanized heading face 机掘工作面 mode-superposition procedure 振型迭加法 marking of course 水道标志 ...
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振型迭加法是比较准确的计算方法，而拟静力法是近似的计算方法。
The former is more precise than the latter which serves only an approximate method.
为了了解大坝的抗震安全度，用反应谱法和振型迭加法对坝体的抗震强度进行了校核。
In order to understand the earthquake resistant safety of the dam, the aseismic strength of the dam is verified both by response spectral method and time-history method.
本文把子结构法、振型迭加法、模态综合法等推广应用于非线性系统，提出分析非线性系统动力响应的离散分量法。
A method for dynamic response analysis of the nonlinear systems is presented. It is the development of the mode-superposition procedure and the modal synthesis method.
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