protel 99 SE快速绘制原理图，对画原理图很有效的

MAPGIS 软件支持多种GIS 数据交换,且其明码数据格式较全面、清晰,易于读写。本文以MAPGIS 明码数据格式和Oracle 数据库为例,研究通过编程实现ASCII 码格式的空间数据上载Oracle Spatial 数据库的方法, 探讨各类GIS 软件与Oracle Spatial 进行空间数据交换的基本过程。-MAPGIS software supports a variety of data exchange and data format of its codes more comprehensive, clear and easy to read and write. This paper MAPGIS code data format and the Oracle database as an example, the research program through the ASCII format for spatial data available on Oracle Spatial database, to look into different aspects of GIS software with Oracle Spatial space for the basic data exchange process.

三维图形的旋转 三维图形的旋转-rotating 3D graphics rotating 3D graphics r otating 3D graphics rotation

龙哥库塔4阶函数的计算，也可以改改变成3，2，n阶的。-龙哥Kutta 4th order function calculation can also be changed into 3,2, n bands.

大学物理第3册答案里面有详细的解题步骤包括选择题-University Physics Article 3 which have a detailed answer to problem-solving steps include multiple-choice questions

* 用拉格朗日插值法依据N个已知数据点即使函数值 * 输入: n--已知数据点的个数N-1 * x--已知数据点第一坐标的N维列向量 * y--已知数据点第二坐标的N维列向量 * xx-插值点第一坐标 * 输出: 函数返回值所求插值点的第二坐标 -* Use Lagrange interpolation method based on N-known data points even function* Input : n-- known data points the number N-1* x-- known data points of the first N-dimensional coordinates listed Vector* y-- Known number stronghold of the second N-dimensional coordinates listed Vector* xx-point first interpolation* Coordinate output : function return values for the second interpolation point coordinates

以太网网卡工作原理介绍，包括搜集的10个不同的文档。-Ethernet card works introduced, including the collection of 10 different documents.

本文分别深入讨论了C++与Java的异常处理机制。比较了C++与Java的异常匹配处理，异常类继承体系与异常处理代码的区别，并且讨论了异常对象的生存周期与存储方式。最后，在其基础上构想了异常处理机制的发展方向。 -In this paper, in-depth discussion of the C++ and Java exception handling mechanism. Comparison of C++ and Java exceptions match the handling, exception class inheritance system and the difference between exception handling code, and discussed the life cycle with the exception object is stored. Finally, based on the idea of exception handling mechanism of development direction.

详细介绍小波变换的定义、特点及性质、小波反变换及小波容许条件等基础理论知识-Detail the definition of wavelet transform, characteristics and nature of anti-wavelet transform and wavelet basis to allow conditions such as theoretical knowledge

华为,大规模逻辑设计指导书,规格详细，包括：VHDL编写规范，Verilog编写规范，asic设计方法，同步电路设计规则，vhdl电路设计，代码可重用设计，-Huawei, a large-scale logic design guide books, detailed specifications, including: VHDL specification preparation, Verilog specification preparation, asic design, synchronous circuit design rules, vhdl circuit design, reusable code design,

中国人民银行技术类笔试题目集，希望对找工作的人有用。-People" s Bank of technical topics written set of classes, in the hope to find people who work useful.