由随机数发生器产生20-40之间的随机数，可以有华氏和摄氏两种显示模式，可以设定温度上限，当温度超限时, Alarm Counter 加1，当用户单击“开始采集”，系统开始采集数据，采集过程中若单击“暂停”按钮会弹出对话框暂停采集，采集点数100，采集完毕后停止系统。-Generated by a random number generator random number between 20-40, there can Fahrenheit and Celsius two display modes, you can set the upper temperature limit, when the temperature gauge, Alarm Counter plus 1, when the user clicks the　Start Acquisition　the system starts collecting data acquisition process If you click the　Pause　button will pop up dialog box to pause collection, collecting 100 points, after the acquisition is complete stop the system.