modulation factormodulationfactor灯: lamp; lantern; light系数: coefficient; ratio; modulus; ...黄灯系统: system of yellow lamps路灯系统: street lighting system闪光灯系统: flashing light system; flashinglightsystem下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:灯系数，即可在微信中查询翻译
