程序开始运行后要求用户输入一个口令，口令正确，则执行如下功能，否则程序立即停止。

（1）　　温度给定值可由以下几种方式表达，见下图：





（2）　　采集一路温度，采样周期、采集点数、数据上下限值均可设置；

（3）　　超限时声光报警；

（4）　　以文件形式保存采集到的数据和各数据的时间标签。

-The program began running after asks the user to enter a password, the password is correct, then perform the following function, otherwise the program immediately stop.( 1) the temperature setpoint is available from the following several modes of expression, see below:( 2) collects the temperature, sampling, data collection points, upper and lower limit values can be set ( 3) exceeds the limit, sound and light alarm ( 4) in the form of a document stored the collected data and the data time label.