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单词 Cable television system
释义

Cable television system

原声例句
2009 English Cafe

You have these basic channels – this basic cable, but you also have, on most cable television systems and satellite television systems what are called " specialty" channels.

你有这些基本频道——这条基本电缆,但在大多数有线电视系统和卫星电视系统上, 你也有所谓的“专业” 频道。

2009 English Cafe

Our second topic today is quite different; we're going to talk about some television programs that you might see on the cable television networks or cable television systems in the United States.

我们今天的第二个话题完全不同;我们将讨论您可能会在美国的有线电视网络或有线电视系统上看到的一些电视节目。

英语百科

Cable television 有线电视

(重定向自Cable television system)
Coaxial cable used to carry cable television into subscribers' residences.
A cable television distribution box (left) in the basement of a building in Germany, with a splitter (right) which supplies the signal to separate cables which go to different rooms
Diagram of a modern hybrid fiber-coaxial cable television system. At the regional headend, the TV channels are sent multiplexed on a light beam which travels through optical fiber trunklines, which fan out from distribution hubs to optical nodes in local communities. Here the light signal from the fiber is translated to a radio frequency electrical signal, which is distributed through coaxial cable to individual subscriber homes.
同轴电缆

Cable television is a system of delivering television programming to paying subscribers via radio frequency (RF) signals transmitted through coaxial cables or light pulses through fiber-optic cables. This contrasts with broadcast television, in which the television signal is transmitted over the air by radio waves and received by a television antenna attached to the television. FM radio programming, high-speed Internet, telephone service, and similar non-television services may also be provided through these cables.

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更新时间:2025/6/23 17:16:23