该软件能控制机房的所有电脑的关机，重启，注销，唤醒，然后监控它们各自的屏幕。老师可以发通知，同学们可以互相聊天。(The software controls the shutdown, restart, logout, wakeup of all the computer in the computer room, and then monitors their respective screens. The teacher can make a note and the students ca