如果暂时要离开一会儿，而又不希望别人动你的电脑，可以将桌面锁定，这样别人想解除锁定，就必须输入密码才行-If you temporarily want to leave for a while, and do not want others to move your computer, the desktop can be locked so that other people want to unlock, you must enter the password the job

主要做視窗鎖屏相當好用適合初學者學習的好程式-Main job of the Windows screen lock very easy to use for beginners to learn the good program

BP网络,解决人工智能中BP网络问题,是人工智能的大作业-BP network, solve the problem of BP network in artificial intelligence, is a great job of artificial intelligence