light flux meter [光] 光通量计
total light flux [光] 总光通量 ; 全反转
light flux ratio [光] 光通量比
zonal light flux 球面带光通量
nominal light flux 额定光通量
regulates the retinal light flux 调节视网膜光通量 ; 规管的视网膜光通量
weak light flux 弱光通量
light flux sensitivity [光] 光束灵敏度
The light flux of the DLP micro-projector used for the LED mixed light is increased.
该混光光源可以提高LED光源的DLP微型投影机的光通量。
The CCD unit (33) receives the light flux passing through the third lens group (G3).
CCD单元（33）接受通过了第三透镜组（G3）的 光束。
The present invention adopts a reflective cup as an LED light flux collecting device.
本发明采用反光杯作为LED光通量收集装置。
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