常見例句雙語例句Introduces circuit on photoelectric encoder, and improves a method of precision, analyzes the principle of circuit about the quadruplicated frequency.介紹了光電編碼器結(jié)構(gòu)及相關(guān)電路與提高測量精度的方法，分析了四倍頻等電路的工作原理。 返回 photoelectric precision encoder