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输入任意文法，找到终结符和非终结符。并统计个数。()

黑油模型数值模拟入门指南 市场上有不少关于油藏数值模拟的书，但好像没有类似围棋入门指南那样从基础开始一步 一步介绍的书。我收到不下二十个问油藏数值模拟如何入门的问题。我尝试写一写油藏数值模拟 入门指南，希望对那些刚刚开始进入油藏数值模拟领域的工作者有所帮助(Numerical simulation of black oil model Start Guide on the market, many of reservoir simulation, but it seems there is no similar entry guidelines go as the beginning of step by step from basic introductory book. I have received no less than 20 reservoir simulation asked how the issue of entry. I try to write to write a reservoir simulation Start Guide, I hope for those just beginning to enter the field of reservoir simulation will help workers)

这个代码是用Matlab写的心形代码，是通过点的形式编写的，看起来很有意思。(This code is written using Matlab heart-shaped code, through the form of written, looks very interesting.)

说明：  一个MATLAB的应用程序，很方便的！使用时需要转换为M文件。(A MATLAB application, very convenient! The use of M need to convert files.)

全面、专业的介绍matlab中模块mulink模块的使用方法，列举的例题包含操作流程，非常实用。(Comprehensive, professional introduction matlab in Ostrava mulink modules to use, citing the examples include operating procedures, very practical.)

To Check the internet connection on Windows

清华大学的中文版的Matlab基础教程，适合初学者入门用。喜欢的下(Tsinghua University, the Chinese version of the Matlab Basic Course, suitable for beginners to use portal. Like the next)

数组类的实现与改进。利用操作符重载，定义类来生成一数组(An array of classes and achieve improvements. Use operator overloading to generate an array of custom class)

说明：  VC与MATLAB混合编程，示范例子 使用C++开发(VC versus MATLAB )

面向对象程序设计的优点表现在实现对现实世界客体的自然描述、可控制程序的复杂性、可增强程序的模块性、可提高程序的重用性和可改善程序的可维护性等方面。(The advantages of object-oriented program design performance in achieving a natural description of real world objects, and can control the complexity of the program, can enhance the module of the program, program would improve the reusability and maintainability can be improved, and so on. )