• It is also a sufficient condition for second order linear differential equation with varied coefficient to be integrable.

    对于系数线性微分方程来说,也是积的一个充分条件

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  • A linear integral invariant, a universal integral invariant and an absolute integral invariant of second order of the system are obtained under the given condition.

    给出系统存在积分变量条件此条件下导出系统的线性积分不变量、通用积分不变量绝对积分不变量。

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  • The second order effect can be neglected in our current code if the ratio of stiffness to weight satisfies certain condition when referring to the reinforced concrete frame.

    我国现有规范中,钢筋混凝土框架满足一定条件可以不考虑效应影响。

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  • In this paper, We prove that the orthogonal condition to solve the uniform asymptotic solution of second order linear P. D. E in periodic region is the necessary and sufficient condition.

    本文证明求解周期区域线性偏微分方程一致有效正交条件充分必要的。

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  • Then, the latter necessary and sufficient condition is generalized to the case for the two different point ranges of degenerate second order curve.

    然后,再将非退化曲线自身双射对合充要条件推广到退化阶曲线两相列的情形

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  • Additionally, a mathematical manipulation is adopted to remove the second-order spacial derivatives in the body surface boundary condition.

    边界条件采用数学手段,推导出一个没有二阶空间导数的表达式,以便计算。

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  • This paper reviewed the synthesis, function and current condition of second- order nonlinear optical polyimide material in recent years, and then analyzed its application prospect.

    综述近年非线性光学聚酰亚胺材料合成性能现状应用前景进行了展望。

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  • This paper aims at studying the boundary value for second order quasilinear elliptic equations with nonlinear boundary condition in exterior domain.

    研究外部区域线性椭圆型方程具有非线性边界条件问题。

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  • A sufficient condition is obtained for a class of second order operator matrices to generate C0 semigroups.

    给出一类算子矩阵生成C0半群的一个充分条件,并应用此条件证明了一类具体的二阶算子矩阵可生成C0半群。

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  • A second-order-sufficient-condition is one of basis for sensitivity analysis of optimization problems.

    优化问题充分条件研究灵敏度分析基础

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  • Second-order cumulative waves have been fully determined by applying the boundary condition of second-order stress.

    根据二应力边界条件确定出了固体板内二阶积累

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  • We obtain the existence of the solution of the second order boundary value problem and the asymptotic estimation by some hypothetic condition.

    证明第二问题摄动存在给出了渐近估计式。

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  • Solvability of a second order multi-point boundary value problem with generalized Sturm-Liouville boundary condition;

    得到了一类离散多点问题的正解的存在性定理

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  • Solvability of a second order multi-point boundary value problem with generalized Sturm-Liouville boundary condition;

    得到了一类离散多点问题的正解的存在性定理

    youdao

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