基础协议—提供主消息传送接口，提供收发消息和管理远程服务器上的文件夹的能力。

Basic protocol - Provides the main messaging interface, and the ability to send and receive messages and to manage the folders on a remote server.

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本电子教室系统的主要功能包括屏幕监看、广播传送、远程控制、讨论区、文件传输、电子白板等。

The main functions of the E-classroom include monitoring broadcasting long-distance controllings discussing area file-transferring whiteboard, etc.

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键盘监护人也可以寄电子邮件日志文件与记录的数据传送到指定的地址每一个特定数额的时间，这是有用的远程监控一的电脑上。

Keyboard Guardian can also email log files with recorded data to the specified address every specified amount of time, which is useful to remotely monitor one's computer.

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