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Elementary Algebraic Geometry Student Mathematical Library, Vol.

中文参考译名：初等代数几何（学生数学图书馆，卷。20）（学生数学图书馆，五20

From these studies I proceeded to elementary geometry, beyond which I never advanced, although I persistently attempted, in some degree, to overcome my weakness of memory by dint of retracing my steps hundreds of times, and by incessantly going over the same ground.

此后，我接着学习基础几何学，这门学科，尽管我尝试过反复地学了N多遍，并且不断从头看起，在一定程度上试图以这种努力，来克服我记忆力低下的问题，但是没有获得进展。

Wu, D. B.（1994）. A Study of the Use of the van Hiele Model in the Teaching of Non-Euclidean Geometry to Prospective Elementary School Teachers in Taiwan, the Republic of China.

谭宁君（民82）。儿童的几何观－－从van Hiele几何思考的发展模式谈起。国民教育，33（5、6），12-17。台北市，国立台北师范学院。

To strengthen the inequality symbol with the training, 2. to expanse the applications of trigonometric functions to polar coordinates and Parameter equation, 3. to adjust Permutation and combinationwith Probability and Statistics, 4.to strengthen applications of Higher Geometry in the Elementary Geometry.

对此问题本文试着从中学数学教学的角度，在以下几个方面进行探讨：1 加强带符号的不等式的训练，2 扩充三角函数在参数方程和极坐标中的应用，3 排列组合与概率统计的调整，4 高等几何在初等几何中的应用。

The basic principle is based on spherical astronomy and elementary geometry of the trajectory mapping method based on the observation of a celestial body zenith distance, then the ship is located in order to sing the next point as the center of this satellite zenith distance of the ship's position as the radius of the circle, observing the same two objects, or objects at different times of the two observations, we can get two ship's position round, then the ship must have been a point of intersection of two ship's position on the circle.

其基本原理是建立在球面天文学和初等几何中的轨迹作图法基础上的，观测一个天体的天顶距，则航船就位于以星下点为圆心，此星天顶距为半径的船位圆上，观测两个天体或者不同时间同一天体的两个观测值，就可以得到两个船位圆，则航船一定在两个船位圆的一个交点上。

First, the matrix of elementary transformation in the use of advanced algebra in a very wide and easy to use.

首先，矩阵的初等变换在高等代数中的用途很广，且使用方便。

Finally the elementary transformation in the block matrix in the promotion, and an example.

最后把初等变换在分块矩阵中进行推广，并举例说明。

In this paper,using the elementary row operation on a matrix theorem,we present two methods for solving the eigenvalues and the eigenvectors.

利用矩阵的初等变换理论，详细讨论了两种特征值和特征向量的求法

Using elementary discernibility matrix and the significance of attributes defined,a knowledge reduction algorithm for incomplete information systems is presented.

经典粗糙集理论建立在等价关系的基础之上，通过知识约简，为从信息系统中获取有用知识提供了一种全新的方法。

In this paper,a definition of basic elementary matrix is given and the conclusion is drawn that any matrix can be resolved into limited basic primary matrix product.

给出基本初等矩阵的定义，得出任何方阵都可分解为有限个基本初等矩阵的乘积的结论。

Foods high in this vitamin include oily fish such as salmon, tuna and, and fish liver oils.

维生素D含量高的食物包括诸如大麻哈鱼、金枪鱼和鲭鱼之类的油鱼以及鱼肝油。

We need you to cosign our public letter demanding that press intimidation cease immediately, and that all charges be dropped.

我们需要您cosign我们的公共信，要求记者立即停止恐吓，并要求所有收费下降。