电视讯号只能以直线发射。
这个金属塔是用于向遥远的村子转播电视讯号的。
This metal tower is used to relay television signals to distant villages.
这指的是数位转换器，它可以让类比电视机接收和播放数位电视讯号。
These would be the digital converter boxes that will enable analog TV sets to receive and display digital TV signals.
他最近的计画是设计一种方法，透过相对缓慢的网路基础设施，发送高画质电视讯号。
His latest project is trying to devise a way to send high-definition television signals over a comparatively slow network infrastructure.
他最近的计画是设计一种方法，透过相对缓慢的网路基础设施，发送高画质电视讯号。
His latest project is trying to devise a way to send high-definition television signals over a comparatively slow network infrastructure.
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