常見例句雙語例句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.根據(jù)簡并態(tài)微擾理論和氫原子波函數(shù)的性質(zhì),得到久期方程中微擾矩陣元的分布規(guī)律。The prevalent formula for nonzero perturbation matrix in the secular equation is gained by the perturbation theory in degenerate state and property of spherical harmonics function.本文應用簡并態(tài)微擾理論和球諧函數(shù)的性質(zhì),得到久期方程中非零微擾矩陣元普遍表達式。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礎上,基于穩(wěn)定特征方程對隨機參數(shù)壓電桁架結(jié)構(gòu)進行穩(wěn)定可靠性分析。 返回 secular equation