Equipment is called an equation of condition in that it is true only for certain values of unknown quantities in it.
方程又称为条件等式，因为其中的未知量通常只允许取某些特定的值。
Based on the analysis of the equation and condition, the starting current velocity formula about the pill sediment is further proved.
通过该方程与水沙条件的分析，进一步验证了散粒体泥沙起动的流速公式。
ESJ is common in the modern radar jamming technology, this paper introduces a calculating method of radars detection area by using jamming equation on the condition of ESJ.
随队干扰是现代雷达干扰技术中常见的情况，文中讨论了在随队干扰环境中，通过干扰方程来求解雷达的暴露区的算法。
We not only take a fitting factor in the equation, but also put one in the approximation of second initial condition.
我们不仅在方程中加了一个拟合因子，而且在逼近第二个初始条件时也加了拟合因子。
In the numerical simulation of the wave equation, to develop an absorbing boundary condition in the finite domain is a very important problem.
在地震波传播的数值模拟中，在有限区域建立吸收边界条件是一个很重要的问题。
According to principle of bridge vibration, this paper lead through boundary condition of free beam and deduce vibrational equation of free beam to solve rigidity and model of vibration.
本文根据桥梁的振动原理，引入简支桥梁的边界条件，推导简支桥梁的振动方程，求解出桥梁刚度、振型的实际运用公式。
Based on transmission boundary condition, gives calculation method for value of dynamic model equation, pipeline discrete form, memory method for coefficient and difference equation.
根据输送边界条件，给出了动态模型方程的数值计算方法、管道离散格式、参数存储方法和差分方程。
By the singular integral equation theory we obtain the resolvable sufficient and necessary condition and the formula of counting index for the problem.
同时利用带位的奇异积分方程理论得到了这一问题可解的主要条件及指数计算公式。
This paper advances a vector formula showing movement equation of inclined projectile body, and expoundes the condition for its establishing.
本文提出斜抛物体的运动方程可用一个矢量式表示，并阐述了它成立的条件。
A condition of a one-order quasilinear partial differential equation of a traffic model forming unique shock wave is given end proved.
本文讨论了一交通模型的一阶拟线性偏微分方程激波产生唯一性的条件并给了严格的证明。
For control process in the systems of differential equation with constant lag necessary condition of optimality of singular control is found.
对带有常数滞后的微分方程系统的控制过程，我们给出了最优性的必要条件。
Stefan problem is free boundary condition of physical equation in thermal transfer when the boundary change.
斯蒂芬问题是研究边界变化时导热规律的的物理方程的自由边界条件。
This paper discusses the solvability of an elastic beam equation under asymptotic nonuniform nonresonance condition.
在弹性梁方程满足渐近非一致非共振条件时，讨论了方程解的存在性。
Although the expressional form of damage evolution equation in complicated stress condition is the same as that in simple load condition, the influence factors are different of the damage parameters.
复杂应力条件下的黄土损伤演化方程的表现形式与简单加载条件下的完全相同，区别只是在于损伤参量的影响因素不同。
In this paper, Laplace transform is applied to solve a solution of mixed question which satisfies the second boundry condition of the wave equation.
本文应用拉普拉斯变换，求出了一个波动方程第二边界条件的混合问题的解。
According to the analysis on the boundary layer separation condition, parameter equation of vane curve for centrifugal pump is established.
通过对压力面边界层分离条件的分析得出叶片型线方程并给出计算实例。
The collocation method is a numerical method which search for the approximate solution of the equation by way of meeting pure interpolation condition.
配置法是以满足纯插值约束条件的方式，寻求算子方程近似解的方法，且具有无需计算数值积分、计算量小、收敛阶高等优点。
The paper demonstrated the method for solving the parameters of the linear diffusive wave equation under free downstream condition by using genetic algorithms.
以线性扩散波方程在自由下边界条件下的解析解为例，利用遗传算法来确定扩散波方程的参数。
Consequently, the result is that we modify the equation of state, hydrostatic equilibrium equation, the boundary condition and the energy flux.
因此，总的效果是修正了恒星结构和演化中的物态方程、流体静力学方程、边界条件和对流区底部的能流密度。
Theoretically the numerical solution of Poisson's equation or Laplace's equation plus Neumann boundary condition calculated by the boundary integration method is not unique.
使用边界积分方法求解已知第二类边界条件的拉普拉斯方程或泊松方程时，理论上解是不唯一的。
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 discussing a class of the neutral difference equation with several delay arguments, the author deduces a necessary and sufficient condition for the existence of bounded positive solutions.
考虑一类含有多个滞量的中立型差分方程，获得了该方程存在有界正解的一个充分必要条件。
The algebraic condition can be represented by the distribution of the roots of the generalized characteristic equation of the ellipse and parabola (hyperbola).
这些代数条件表示为由椭圆与抛物线，椭圆与双曲线确定的广义特征多项式的根的分布。
By means of the variational approach, in a condition weaker than(AR) the existence of infinitely many solutions of fourth-order elliptic equation is discussed.
在比（AR）条件更弱的一类超线性条件之下，利用变分方法讨论了一类超线性四阶椭圆方程的无穷多解的存在性。
The coordinate equation and noninterferential condition of tooth profiles are used to calculate interference of tooth profiles of the single wave harmonic drive.
运用坐标方程和齿廓不干涉的条件，验算单波谐波传动齿廓的干涉。
Movement of damp mill medium is discussed and active power equation is derived under throwing off condition.
通过对润磨机介质运动状态的分析，推导出润磨机抛落状态下的有用功率方程。
Characteristics of materials depend not only the interaction terms in solution by Schrodinger equation but also more on the boundary condition at the border and interfaces of different specimens.
材料特性不仅取决于薛定谔方程的相互作用项，也决定于自由表面和不同材料界面处的边界条件。
First of all, the equation of shrunk interface pressure and the condition of diametrical ratio are deduced under the optimal design principle of shrunk double-layers cylinder.
首先推导了双层筒体基于最佳化设计原则的缩套界面压力的计算公式及径比条件。
Based on the elastic theory of liquid crystal and variation theory, the effect was studied, and the differential equation and boundary condition about the director of liquid crystal were obtained.
基于液晶弹性理论研究了这一效应，通过变分理论得到了液晶指向矢满足的微分方程及边界条件。
The solution of Legendre equation has been introduced in the condition of natural limit and the emphasis is put on the inference to the coefficient of the Legendre function.
介绍勒让德方程在自然边界条件下的解，重点推导了勒让德函数的系数。
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