这是一个可以设置系统时间的程序，按一定的规则进行系统时间的锁定。这个程序说明原理。还有一个正式版。主要差异是系统时钟在WINDOWS下准确与否。-This is a can set the system time-consuming procedures, according to certain rules of the lock system time. The descr iption of the procedures for Principle. There is also a final version. The main difference between the system clock is accurate or not, under the WINDOWS.