系统由单片机、显示器等部分组成，利用显示器来显示密码锁输入的相关信息，密码输入正确则打开密码锁通过PM函数产生而为PM随机海面，产生模拟海面，进而进行计算模拟(The system is made up of single-chip microcomputer, display and other parts. It displays relevant information of the password lock using the display. If the password is e