查询词典 characteristic equation

By using the semigroup theory and the characteristic theory respectively,we first get the integral equation.

此类方程已有许多结果（见References），但大部分都是对a，b，c为常数或〓比较特殊时进行讨论的。

In the fourth part of Chapter 5,the distribution of characteristic roots for singular neutral retarded functional differential equation are discussed.

本章最后一部分讨论了奇异中立型时滞方程特征根的分布，建立了判定定理，并举例说明定理的应用。

In the second part of Chapter 5,the supremum of real parts of characteristic roots for a nonsingular neutral degenerate retarded functional differential equation is studied.

第五章的第一部分讨论了非奇异中立型时滞方程的指数稳定性，所得的指数稳定的判定定理不同于文中的定理2。

Two fundamental concepts are intro- duced:exact Yang-Mills equation and characteristic transformation of Yang-Mills gauge fields.

对于这种恰当的YM-方程，构造了一类线性微分变换，称之为SU(2)规范场的示性变换。

Its state equation may be the typical compressed fluid form; thus, may use the characteristic of the ideal gas to further explain relations of energy and the mass in the gravitational field.

其状态方程可以是典型的可压缩气体形式；这样，就可以利用理想气体的特性来进一步解释引力场内能量和物质的关系。

The characteristic method is applied and the weak discontinuous solutions of homogeneous quasilinear wave equation s are discussed.

主要分析一维拟线性波方程的解的间断性。

In this paper it has been proven that for Cauchy problem of quasi-linear homogeneous partial differential equation its solution always has discontinuity , and the trace of discontinuity is just the envelope of characteristic lines.

本文证明对于拟线性齐次偏微分方程的Cauchy问题，其解总具有间断性，且发生间断的点的轨迹，恰巧就是特征线的包络，另外给出了一个特例，否定了这类解必定会出现多值性的定性论断，从而使构造广义解的理论面临困难。

In Chapter 4,we consider the problem of totally characteristic type equation,whose indicial exponent takes positive integers.

在第四章中，我们对全特征型微分方程也讨论了一类不满足第二、三章中定理条件的问题，即对全特征型偏微分方程也考虑了Yamane在文[11]中考虑的问题。

Firstly, the article expatiates the concept of fuzzy reliability and the relation between random and fuzzy. It presents a list of random-finite element formula that is suitable for the reliability analysis for mechanical rigid frame system. Secondly, it presents two arrangements' reliability analysis methods that fit for component and fabric system. Finally, according to the characteristic of engineering mechanical, the article first brings forward half random-half fuzzy"stress-intensity intermeddle model"for mechanical intensity analysis, and according to Gerber equation for weariness intensity calculation, the article presents fuzzy number's calculating principle and the fuzzy reliability analysis method for engineering structure weariness intensity.

首先阐述了模糊可靠性概念、随机性与模糊性的关系；在导出摄动随机有限元法随机变量的变分原理、随机有限元控制方程和递归方程组基础上，给出了适合于工程机械刚架系统可靠性分析的随机有限元列式；给出了构件和结构体系两个层次的可靠性分析方法；根据工程机械的特点，首次提出机械强度分析的半随机半模糊"应力-强度干涉模型"，并依据疲劳强度计算的Gerber方程，给出了模糊强度的模糊数运算法则及工程结构疲劳强度模糊可靠性分析计算方法，该方法具有简便实用的特点和普遍意义。

According to the arrange characteristic of irradiation source on the palling plate this paper deduces the equation calculating dose field The problem in calculating dose field of irradiator is solved with computer program The calculation values are in accordance with the measurement values .

自编程序解决了栅板源剂量场的计算问题，同时将计算值与实测值进行了比较，两者符合得很好。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。