【four-wire_circuit】什么意思_英语four-wire_circuit的翻译_音标_读音_用法_例句_在线翻译

four-wire circuit

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abstract: In telecommunication, a four-wire circuit is a two-way circuit using two paths so arranged that the respective signals are transmitted in one direction only by one path and in the other direction by the other path. Late in the 20th century, almost all connections between telephone exchanges were four-wire circuits, while conventional phone lines into residences and businesses were two-wire circuits.

以上来源于: WordNet

In other words, the circuit may be physical two - wire (or even physical one - wire) and logical four - wire, performing as a four - wire circuit but employing fewer than four wires.

换句话说，电路可以是物理双线(甚至是物理单线)、逻辑四线，它使用较少的线实现四线电路。

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In fact, a four - wire circuit can be established without the use of any wires at all, as in the case with a circuit established over microwave, satellite, or infrared transmission systems.

事实上，可以不使用任何线来建立四线电路，例如通过微波、卫星或红外传输系统。

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In the Three phase and Four wire circuit system, the neutral wire is very important.

在三相四线制供电系统中，中性线是非常重要的。

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