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1·Diode: a semi-conductor or vacuum tube device which has two electrodes. It permits a current to flow from from cathode to anode only Used as a rectifier.

二极管：具有两个电极的半导体或空管。它只容电流从阴极流向阳极。可作整流器用。

2·This paper based on analyzing the X-Ray tube designs the switching power supply circuit, analyzes the principle of APFC, LCC half bridge resonance convertor and dual rectifier circuit.

本文在分析X射线管外特性的基础上，设计制作了开关电源功率主电路，分析了有源功率因数校正器原理、LCC半桥谐振变换器原理及倍压整流电路原理。

3·The Dongguan spring core electron Limited company manages silicon-controlled rectifier, field tube, two triodes, rectification bridge best-selling consumer market.

东莞泉芯电子有限公司经营的可控硅、场管、二三极管、整流桥畅销消费者市场。