parameter

The author uses entirety and systematicness of mathematical knowledge and excavats the horizontal and vertical relationship of the mathematical knowledge in order to summarize several solutions to the problems of the parameter sphere of equation.

通过运用数学知识的整体性和系统性，总结了方程中参变数取值范围问题的几种解题思路。

The application of the general method in mathematical problem solving is discussed; especially, the parametric mapping method is analysized as a basic form of the general method.

论及了一般化方法在数学解题中的应用;特殊地,作为一般化方法的一个基本形式,文中并对所谓的“RMI方法模式中的参变数方法”进行了具体分析。

Capacihve meisture sensor regards frequency signal as variability, it is made up of capacitive probe, high frequency surge cirouit, dispart frequency instrument and metal shield box.

电容式水分传感器以频率信号作为参变量,由电容探头、高频振荡电路、分频器和金属屏蔽盒构成一体。

By using this method not only the periodic solutions of the 2nd order parametric systems under external excitation can be solved, but the stability of these periodic solutions can also be decided.

给出受外激励二阶参变系统周期解的新的计算方法，它对于相当广泛一类方程均可适用，并可对解的稳定性作出判断。

By means of an isoparametric transformation,the stiffness matrix and the effective nodeforces of the parallelogram element are calcnlatel.

本文通过等参变换推导了平行四边形单元的刚度矩阵及等效节点力的表达形式，计算表明它们均为显式积分，等效节点力可通过静力等效原则得到。

The quadrature formula about surface integral on any quadrilateral element is deduced by means of isoparametric transformation and bilinear interpolation.

通过对三维有界区域的边界曲面作四边形网格剖分,用有限元方法处理高斯公式中的曲面积分,由等参变换及双线性插值导出任意四边形单元上曲面积分的数值求积公式。

An approximation format of tetrahedral isoparametric element for solving the 3-dimensional 2-order Dirichlet problem is presented in this paper first,then based on the optical estima- tion of isoparametric transformation,we prove the convergence of the format given,obtain the optical H~1 estimate error.

基于对等参变换的细致估计,证明了格式的收敛性,并得到了H~1-误差的最优估计。

The Analysis on the Response Characteristics of Pipelines With Changing Parameters Under Random Traffic Loads;

参变管道系统在随机交通载荷下响应特征分析