说明：  此程序是基于单片机的温度测量系统,已通过调试,程序用C51编写,执行后可通过按键设置温度,在温度超过设定的上下限之后自动报警!
(This procedure is based on SCM temperature measurement system, the debugging procedure prepared by C51, implementation can be set up through the keypad temperature, the temperature exceeds a set limit on the automatic alarm after!)