一个精确获取时间的类,利用查询CPU频率的方法.已经被包装在类中，可以方便调用....

对于没有使用同步对象时，程序中可能出现输出字符比使用同步对象时少的现象，主要是由于线程同时对资源进行操作的结果。-Not used for synchronization object, the procedure may occur in the output of characters than the use of synchronization objects smaller phenomenon is a result of thread at the same time resources to carry out the operation results.

用C++实现的 航空客运管理系统，用双向联标实现，但没实现文件保存-C to achieve air passenger management systems, in conjunction with standard two-way, but the paper did not achieve preservation

tlc2543 mega8 spi总线访问 以及相关资料-tlc2543 mega8 spi bus access as well as relevant information

这是一个观察usb的程序，从DDK自带的代码改变而来！功能比较强大！对学习USB有很大的帮助-This is a usb observation of procedures, from DDK"s own code changes come! Comparison powerful! Learning USB be of great help

非常小巧的软键盘源程序，可以用鼠标代替输入，对虚拟键有兴趣的朋友可以试试。-Very compact source of soft keyboard, you can replace the input with the mouse on the virtual keys are interested friends can try.

本程序实现在系统条上添加一个日历的功能，可以以此提供对系统编程的一些参考。-Realize this procedure in the system to add a section on the calendar function, can also be used to provide some reference system programming.

独占设备的分配与虚拟设备独占设备每次只能分配给一个进程使用，这种使用特性隐含着死锁的必要条件，所以在考虑独占设备的分配时，一定要结合有关防止和避免死锁的安全算法。-Exclusive distribution of equipment, exclusive equipment and virtual device can only be allocated to each use of a process, which implies the use of characteristics of the necessary conditions for deadlock, and therefore in considering the allocation of exclusive equipment, we have to combine to prevent and avoid deadlock security algorithm.

实现作业调度问题的先来先服务算法、短作业优先和响应比高者优先三种算法-Job scheduling problem to achieve first-come first-serve algorithm, a short operation in response to high priority and priority three algorithms

物资管理系统 一 开发环境 OS: Windows 2000 Server + SP2 IDE: Visual Studio 6.0 + SP5 DataBase: SQL 2000 Server + SP2 二 运行 1：创建数据库 将Material.sql中的SQL语句考入SQL Server的查询分析器中，全部运行； 2：建立ODBC数据源 数据原名称为Material_MIS -Materials management system development environment 1 OS: Windows 2000 Server+ SP2 IDE: Visual Studio 6.0+ SP5 DataBase: SQL 2000 Server+ SP2 Second Run 1: Create a database in SQL statements Material.sql admitted to the SQL Server query analyzer, all running 2: Create ODBC data source data formerly known as Material_MIS

用于彩票的。一个小的文件对比精灵。用在两个文件。得出他们的不同的注。然后输出-For the lottery. A small comparison document wizard. Used in the two documents. Come to their different note. Then output