温度自动控制系统程序的源程序，可以对温度进行控制。若温度低于设定温度，就继续加热，加热至设定温度；若温度高于设定温度，就停止加热，使温度降到设定温度。 -Automatic temperature control system program source, you can control the temperature. If the temperature is below the set temperature, the heating was continued, heated to t