高速PCB设计常见问题,有兴趣的朋友这下子可算是有福气了。

解决车厢重排问题-compartment rearrangement solve problems

本设计的目的是通过设计和调试一个简单的文件系统，主要是模拟文件操作命令的执行，来模拟文件管理，使学生对主要文件操作命令的实质和执行过程有比较深入的了解，掌握它们的基本实施方法。具体要求如下： （1） 设计一个支持n个用户的文件系统，每个用户可拥有多个文件： （2） 采用二级或二级以上的多级文件目录管理； （3） 对文件应设置存去控制保护方式，如“只能执行”、“允许读”、“允许写等”； （4） 系统的外部特征应接近于真实系统，可设置下述文件操作命令： 命 令 功 能 命 令 功 能 Create 建立文件 Read 读文件 Open 打开文件 Write 写文件 Close 关闭文件 Copy 复制文件 Delete 撤消文件 Directory 查询目录 （5） 通过键盘使用该文件系统，系统应显示操作命令的执行结果。-the purpose of this design is by designing and debugging a simple file system, main operation is simulated documents the execution of the order to simulate document management, enable students to the main document commands the substance and the implementation process of a more in-depth understanding, They grasp of the basic method. Specific requirements are as follows : (1) design a support n user file system, each user can have multiple files : (2) use of two or more than two multi-level directory management; (3) the document should be set up to deposit control and protection methods, such as "the only

用java写的字符串输入后可以反转输出的小程序 you love i # i love you-Written in string reversal using java applets

使用VB对SolidWorks进行的二次开发。主要是建立了一个螺纹标准件库以及螺纹计算方法。-use of SolidWorks in the secondary development. Is a standard part of a thread and the thread is calculated.

迷宫探险游戏是一个在turboC2环境下编写的小游戏，该游戏只要是完成小人从左上角闯过迷宫到达右下角的路径探险-maze is an adventure game in turboC2 environment prepared by the small games, as long as the game is complete villains leaped from the upper left corner of the maze to reach the lower right path adventure.

单相调功电路，对初学者更好的理解其基本原理有帮助-Single Phase Power Regulator circuit, a better understanding of beginners the basic principles of their help

因为配置opencv和dshow的编程环境实在很麻烦，而且需要注意的地方很多，于是我就写了这篇文章希望对大家有帮助。-Because the configuration opencv and dshow programming environment is very troublesome, and need to pay attention to a lot of places, so I wrote this article would like to have everyone help.

运筹学最经典的解决后续问题的算法-tacticians classic follow-up to resolve the issue of the algorithm

使用ArcEngine java api 开发的通过arcsde读取空间数据，并显示-ArcEngine java api to use the development of spatial data through ArcSDE reads and displays

这只是一些平时的课件,如果不好,请原谅!-this is just some ordinary courseware, if not, please forgive us!