几个有用的网叶，是很杂的 但是我认为好

利用8253的定时／计数特性来控制扬声器的发声频率和发声长短-The use of 8253 timer/counter features to control the speaker

1. 编程实现一个学生信息管理系统的图形界面。需要录入的信息 包括学号、姓名、性别、出生日期、是否联合培养等。根据这些 信息的性质选择使用不同的图形组件来设计界面。 2. 为上题增加事件处理的功能，当用户选定了某一个出生月份， 如3月份时，系统自动的把选择范围限制在1-31之间，当用户单击 “录入”按钮时，系统把所有的学生信息打印在屏幕上，或输出到 某个文件中保存。-1. Programming a Student Information Management System graphical interface. Input needed information, including school, name, sex, date of birth, whether the joint cultivation. According to the nature of the information to choose from different components to the graphic design interface. 2. For more on the incident and that the function when the user selects a certain month of birth, in March, the system automatically choose the limit between 1-31, when users click the "record" button, the system for all students Print on the screen, or lose up to a certain document preservation.

用脚本恢复Windows XP系统的用户密码-script used to restore the Windows XP system user passwords

系统中分层空时信号检测技术-System of layered space-time signal detection techniques

STC89C58RD+ FROM AP-ISP，晶振为12M，International Limited-STC89C58RD+ FROM AP-ISP, crystal for the 12M, International Limited

没源码才来找呀.-source not only to Shaw.

排源程序-Row source

大学英语四级复习资料-college English 4 review information

适合考程序员使用，高级程序员考试内容，内容丰富。。不错-test for programmers to use, senior programmer examination content and rich in content. . Yes

北京大学2006数据结构试题，有需要的朋友，可以下载。-Peking University, 2006 test data structure, there is a need of a friend, you can download.