光信号 meaning in Chinese

optical signal; photosignal

Technology precision measures for weak light signal power
微弱光信号功率的高精度测量技术
Development of a new mine audible and visual signal device
新型矿用电子声光信号装置的研制
1 automobile parts - lighting and light signalling devices erratum 1
汽车零部件.照明和光信号装置
Photometric characteristics of light - signalling devices for motorcycles
摩托车光信号装置配光性能
Dynamic scattering light simulator
颗粒动态散射光信号模拟器

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