Then the eigenvalue problem of free vibration of annular sector plates is transformed into the eigenvalue problem of integral equation by using superposition theorem.
然后由叠加原理将环扇形板的自由振动问题转化为积分方程特征值问题；
Using the step response behavior of inertia process and the superposition theorem of linear system, this paper puts forward a fuzzy predictive model of dead-time processes.
利用惯性过程的阶跃响应特性和线性系统中的叠加原理，提出了纯滞后过程的模糊预估模型。
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.
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。
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