... secular acceleration 长期加速度 secular equation 特征方程 secular cycle 百年周期,长年周期...
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factoring of the secular equation [数] 特征方程的因子分解
disperion secular equation 弥散特征方程
second secular algebraic equation 第二类特征代数方程
secular r equation 久期方程
According to the perturbation theory, a distribution law of matrix element in secular equation is discovered in degenerate state and wave function property of the hydrogen atom.
根据简并态微扰理论和氢原子波函数的性质，得到久期方程中微扰矩阵元的分布规律。
The problem of achieving stable reliability analysis of piezoelectric trusses with random parameters was studied on the basis of the finite element analysis method and stable secular equation.
在有限元分析方法基础上，基于稳定特征方程对随机参数压电桁架结构进行稳定可靠性分析。
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