说明：   1.具有低温上电和高温断电功能； 2.能够进行温度上限和温度下限设置，并且实时显示温度； 程序内以给出详细注释.
(1. With a low temperature and high temperature power-off function 2. To carry out the minimum temperature and maximum temperature settings, and real-time display of temperature process to give detailed comments.)