大功率LED泛光灯
high power LED flood light
声光调Q脉冲激光
acoustic-optical Q-switched pulse lasers
声光调Q YAG激光
Opto acoustic Q switched YAG Laser
声－光－电多元指标监测方法
acoustics-optics-electricity AOE multi-indicators
声－光－电多元信息
acoustics-optics- electricity multi-information
声光测频
acoustooptic frequency measurement
声光波导调制器
acousto-optic waveguide modulator
声光表演
sound and light performance
声光Q开关
acousto-optically Q-switch
声光Bragg衍射
acoustooptic Bragg diffraction