With two diodes in parallel back to back, the circuit will provide protection regardless of the signal polarity.
由于两个二极管反向并联，所以此电路能够对任何极性的信号进行保护。
Back-to-back monthly declines in CPI may be a warning signal that deflation is gaining a toehold.
在消费物价指数回至后端月下滑可能是一个警告信号，表明通货紧缩正在获得一个立足点。
The invention discloses a back-off method and a back-off device, and a method and a device for detecting a radio-frequency identification signal state, and belongs to the field of communications.
本发明公开了一种退避方法和装置及检测射频识别信号状态的方法和装置，属于通信领域。
The multi-waveform generator and the back-to-back simulator introduce a voltage signal into the ovens through a plurality of high voltage leads and apply the voltage on a sample;
多种波形发生器和背靠背模拟装 置通过多路高压引线电缆将电压信号引入烘箱，施加到试品上；
The multi-waveform generator and the back-to-back simulator introduce a voltage signal into the ovens through a plurality of high voltage leads and apply the voltage on a sample;
多种波形发生器和背靠背模拟装 置通过多路高压引线电缆将电压信号引入烘箱，施加到试品上；
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