但是，电视不仅仅是一个电子系统，它还是一种表达工具和传播渠道因此，电视成了一个对其他人发生影响的强大工具。
Television is more than just an electronic system, however. It is a means of expression, as well as a vehicle for communication, and as such becomes a powerful tool for reaching other human beings.
但是，电视不仅仅是一个电子系统，它还是一种表达工具和传播渠道。
指挥站由许多子系统组成，包括卫星通信、天线控制、视频会议、监视电视、IP电话和电源。
The command posts consists of a number of subsystems, including satellite communications, antenna control, video conference, surveillance TV, IP telephone, and power supply.
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