英德
有道
百度
谷歌
图片
维基
百科
公用信号
global semaphore
- 参考地，通常是指潜在的参考端，有时被称为回路或公用信号。
Reference ground, sometimes called a return path or signal common, is usually the reference potential of interest. - 数据传输装置基于传真机的原理，利用公用电话网络，实现数据信号的远程传输。
The data-transmitting agency based on the principle of fax realizes long-distance data transmitting by the public phone net. - 通讯采用直流电源载波方法，信号线与电源线公用，不仅降低了布线成本，而且提高了系统可靠性。
Using the DC power carrier technology, the signal was modulated into the power wire, which can not only reduce the wiring cost, but also improve the system reliability.
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