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.
单开链迭加法是一种适应于在计算机上进行的机构类型综合的新方法。
The superposition method of single-open chain is a new method which is quite convenicnt for doing the type synthesis by computers.
虽然我们可以用几种方法来分析连续梁，但是只有迭加法是切实可行的。
Although we may analyze a continuous beam by several methods, only the method of superposition is practical.
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.
利用振型迭加法导出了结构物理参数和作用荷载幅值同时具有随机性时结构动力响应随机变量的数字特征计算表达式，并提出了求解方法。
The randomness of both physical parameters of structure and the amplitude peak of applied load are taken into account in the present model.
探讨了风压作用下大开口的自然通风阻力特性，并提出了用局部损失迭加法来计算阻力损失，即认为通过建筑物的气流是由不同的突缩段和突扩段的组合。
Through the discussion of the resistance properties of natural ventilation induced by wind force, a method of local pressure loss superposition was proposed to calculate the pressure loss.
探讨了风压作用下大开口的自然通风阻力特性，并提出了用局部损失迭加法来计算阻力损失，即认为通过建筑物的气流是由不同的突缩段和突扩段的组合。
Through the discussion of the resistance properties of natural ventilation induced by wind force, a method of local pressure loss superposition was proposed to calculate the pressure loss.
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