On the basis of the elementary equation of atmosphere motion, we consider the nonlinear couples as an external origin, and derive a strong coupled formed KdV equation.
在大气运动基本方程的基础上，考虑南北风场平流效应引起的非线性耦合作为外源，在耦合项非线性逐渐增强的情况下。
The artical introduces elementary equation, boundary and initial conditions of model of equivalent conduction heat transfer, physical property prarameters processing and the method of value solving.
介绍了等效传导传热模型的基本方程、界条件和初始条件、性参数的处理以及数值求解方法等。
This paper starts from the physical processes of cascade speed control system and derives several groups of elementary electromagnetic equation, dynamic block diagrams, and matrix equations.
本文从串级调速控制系统的物理过程出发，推求出几组基本的电磁方程、动态结构图及矩阵方程。
The new equation for friction loss along the hot water is presented using the multi-regression analysis according to existing elementary friction equation.
根据已有的热水管道水头损失计算基本公式，采用多元线性回归计算方法，提出了新的热水管道水头损失计算公式。
This paper gives existence and uniqueness condition of solutions of the integral equation with variable separable kernel, and it's elementary solutions.
本文给出了具有变量可分离核的积分方程解的存在条件和初等求解法。
By elementary rank transformations of matrix, a method has been obtained to solve linear diophantine equation with some variables. The method overcomes the deficiency of traditional method.
利用矩阵的初等列变换，给出了求解多元线性不定方程的一种方法，该方法改进了传统方法计算量大、步骤多的缺点。
This paper, using the method of differential equation, proves some characters properties of basic elementary function, and then concludes an equivalent representation about basic elementary function.
运用微积分的方法，对基本初等函数的若干特征性质进行了证明。从而给出了基本初等函数的等价表征。
In the solving process of homogeneous equation set, the operational procedure for elementary line transformation is sometimes not simple and convenient as it seems to be.
在齐次方程组求解的过程中，初等行变换的运算过程有时显得并不简便。
A variable length simple pendulum model is introduced, elementary analysis and perturbation analytic solution of nonlinear differential equation for parametric resonance are presented.
采用可变长度单摆的力学模型对秋千振荡给出初等分析，采用微扰近似法导出了秋千的非线性参数共振解析解， 并进行了讨论。
This paper discussed an elementary solution to the envelope of a kind of family of curves of which the equation was one of the cubic equations in regard to a parameter.
本文论述曲线族的方程为关于参数的三次方程时，其包络曲线方程的初等求法。
The most significance of this equation is to reveal a close relation between physical constants, quantum properties of elementary particles and general physical properties of the universe.
它的最重要的物理意义在于证明了微观物理学中的物理常数以及微观粒子的量子物理特性数值是宇宙总尺度物理特性的反映。
An elementary proof of the Diophantine equation (the equation abbreviated) is given by using recursion sequence method.
运用递推序列法，给出组合数丢番图方程(方程序略)的一个初等解法。
An elementary proof of the Diophantine equation (the equation abbreviated) is given by using recursion sequence method.
运用递推序列法，给出组合数丢番图方程(方程序略)的一个初等解法。
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