optical transmission coefficientoptical transmission system光: light; ray传输: transfer; transmission; conv ...系数: coefficient; ratio; modulus; ...光传输系统: [讯] optical transmission system激光传输系统: laser transmitter system; transmission laser system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:光传输系数，即可在微信中查询翻译
