photo conductor短语¹⁴⁴⁹⁷²⁺² 基本例句 光导体 The paper presents the composition of photo conductor and the imaging process of electrophotography, as well as details the structure, principles and capability of photoconductive testing system. 本文介绍了光导材料的组成及静电照相成象过程，详细说明了光电测试系统的结构、原理及性能。 cnki