today, table tennis has become a high-tech and high-speed athletic sports.

applications about the model of mass centre in elementary geometry

小议质心模型在初等几何的应用

互联网摘选

on the relationship of elementary transformations and the decompositions of invertible matrix

初等变换的关系及可逆矩阵的分解

互联网摘选

in this paper by using cartan matrix, a method for calculating the scalar product of the weights of the elementary representation for semi-simple lie algebra is presented, and from this, the eigen value of the second casimir operator is worked out.

本文利用Cartan矩阵给出了一种计算半单李代数初等表示的权的标积的方法，并由此算出了二次Casimir算符的本征值。

互联网摘选

with the use of primary number theory, the properties of bernoulli number are studied, and from which a group of bernoulli number-included identities and congruence formula are obtained.

运用初等数论的方法，研究了Bernoulli数的性质，并得到了一组包含Bernoulli数的恒等式及其同余式。

互联网摘选

in this paper we obtain jorgensen's inequality of isometry group m ( x) of pinched manifold x and a geometric characteristic of nonelementary subgroups of m ( x).

本文建立了Pinched流形X上等距群M（X）中的Jorgensen型不等式；证得了M（X）中非初等群的一个几何特征；

互联网摘选

according to linear quadratic regulator theory matrix elementary transform and least-squares method, formulas about parameter optimum of ved are achieved.

利用LQR理论，在矩阵初等变换的基础上，根据最小二乘法推导了VED的参数优化公式。

互联网摘选

an equalization algorithm based on the elementary matrix transformation is proposed for the mimo communication channel, and the corresponding blind equalization algorithm is obtained for the row-diagonally-dominant mimo system.

对MIMO通信信道提出了一种基于矩阵初等变换的均衡算法，将其用于行对角占优的MIMO系统，则得到相应的MIMO盲均衡算法。

互联网摘选

with the basic quality of exact division, a simple primary proving for fermat junior theorem is presented.

仅用整除的基本性质，巧妙给出费尔马（Fermat）小定理的一种完全初等简单的证明。

互联网摘选

in this paper, a method of mathematics experiment in matlab is systematically introduced for matrix's primary transformation.

本文介绍在MATLAB软件平台上实现矩阵初等变换的数学实验方法。

互联网摘选

a convenient judgement method for extreme value of multivariate functions on elementary transformation of matrix

基于矩阵初等变换的n元函数极值的快速判别法

互联网摘选

this paper gives the formulas of the sums when the power is non-negative integers through the derivation and integration of the power function and by using the elementary method.

仅用幂函数的求导和积分的形式运算公式和初等的方法求出了自然数有限项幂和当幂为非负整数时的求和公式。

互联网摘选

in this research, the subjects were native speakers of english, japanese, and korean whose chinese knowledge was at the elementary level.

选择了母语为英语、日语和韩语，汉语水平为初等的留学生为被试。研究发现，母语在习得汉语的前期有重要作用。

互联网摘选

the normal form of a kind of analysis function is proved with a simple and elementary method by using the properties of semiquasihomogeneous functions.

运用拟齐次函数的性质，给出了一类解析函数正规型的一个简单的初等的证明方法。

互联网摘选

the general formula of the equivalent resistance of ladder type network are achieved with elementary method, and some relevant problems are discussed.

用完全初等的方法给出了梯形电阻网络等效电阻的通项公式，并对相关问题进行了讨论。

互联网摘选

by very elementary method, it is proved that every continuous differentiable function defined in a perfect set has differentiable extension.

本文完全用初等的方法证明了完全集上连续可微函数都有可微开拓。

互联网摘选

an equivalent condition for a finite order stochastic matrix to be a discrete skeleton is found in this paper.

本文找到了有限阶随机矩阵为离散骨架的一个比较初等的等价条件；

互联网摘选

using an elementary method, we illustrate how a-3-manifold can be embedded into a 5-space in this note.

本文用一个相当初等的方法，说明了如何把一个3维流形嵌入到5维空间中去。

互联网摘选

a few of inequalities about elementary symmetrical polynomial will be established in the following in an elementary way.

本文将用初等的方法，建立几个关于初等对称多项式的不等式。

互联网摘选

the first chapter shows the theory of ca, its structure, characteristic and some simple ca.

在第一章中介绍了元胞自动机的理论基础、构成及其特征，以及元胞自动机的分类和一些初等的元胞自动机。

互联网摘选

these problems put forward were about some elementary mathematical modeling.

这些问题是指一些初等的数学建模问题。

互联网摘选