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

1、

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；

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2、

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。

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3、

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。

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4、

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。

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5、

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。

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6、

cauchy's theorem and sylow's theorems for finite groups are proved by means of the double coset decompositions and some basic enumeration techniques. furthermore, frobenius's theorems are proved by the same method.

从Cauchy定理的证明出发，用双陪集分解以及初等的计数技巧归纳地证明了Sylow定理及其Frobenius型推广。

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7、

by using an elementary method, it is shown that the set of continuity points of a riemann integrable function in is dense in.

用初等的方法证明了[a，b]上的Riemann可积函数的连续点在[a，b]上是稠密的。

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8、

in this paper, by applying elementary combination methods and some properties of trigonometric matrix, a fast algorithm of multiplication for two n-order real symmetry-circulant toeplitz matrices is investigated.

应用初等的组合方法和三角矩阵知识，给出了两n阶实对称循环Toeplitz矩阵相乘的一种快速算法。

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9、

it is a generalization of the similar result of z actions, and the method used in the proof is elementary.

该结论推广了Z作用时相应的结论，而且证明方法是初等的。

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10、

from elementary mathematics to advanced mathematics, we have been studying the issue of the maximum and minimum of the function.

从初等数学到高等数学，我们经常研究函数的最值问题。

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11、

sequence is an important content of high school math, it is bridge of elementary mathematics and higher mathematics.

数列是高中数学的重要内容之一，是承接初等数学与高等数学的桥梁。

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12、

trigonometry is a bridge between analytic geometry and algebra, and a gateway from elementary mathematics to advanced mathematics.

三角是联系几何与代数的一座桥梁，沟通初等数学和高等数学的一条通道。

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13、

relationship-mapping-inversion ( rmi) is a universal mathematical principle and frequently applied to both elementary and advanced mathematics.

无论在初等数学还是在高等数学中都可以找到它的许多应用实例。

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14、

such as the problem of elementary" mathematical modeling", is very good to meet these criteria.

例如初等数学建模的问题就很好的符合这些准则。

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15、

on teaching reform of elementary mathematics research in normal colleges in the background of new curriculum reform

新课改下高师《初等数学研究》课程教学改革对策

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16、

on the guiding function of modern views of mathematics on the study and research of elementary mathematics

浅谈用现代数学观点对初等数学学习和研究的指导作用

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17、

it has solid foundations in elementary mathematics and notions of classical ( pre-20th century) physics.

它具有坚实的基础，在初等数学的概念与古典（前20世纪）物理。

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18、

much of classical economics can be presented in simple geometric terms or elementary mathematical notation.

很多古典经济学可以在简单的几何条件或初等数学符号。

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19、

look on elementary mathematics from mathematical analysis

从数学分析看初等数学

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20、

joins of elementary mathematics and higher mathematics

谈初等数学与高等数学的衔接

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