light tone-variation  轻声化

light-light transfer efficiency  光－光转换效率

lightweight Light-Expansion Concrete  轻质微膨胀混凝土

White Light Light-Emitting Diode  白光二极体

ranging tone multi-tone ranging  多测距音测距

Semi tone、Whole tone  半音、全音

The Tone Combination of Double-tone Serial Bell  论双音编钟的音程组合

tone frequency of tone pulse  单音脉冲的单音频率

Tone-on-Tone  同色性

Tone-on-Tone Dyeing  同色染色; 同色性

tone-on-tone effect  深浅同色效果

anti-visible light and infrared light  防可见光及红外光

breakdown light {NUC light}  故障灯

digital light processing DLP light source  数字光处理光源

high light efficiency light source  高光效光源

Light come light go  来得容易去得快

light draft [= light draught]  空载吃水; 轻载吃水

light output characteristic and the light distribution  大功率LED光输出特性及配光

light pen light pencil  光锥