luminous flux measurement meaning in English

光通量测量

Total luminous flux measurements on discharge lamps used for photometric standards
测光标准器用放电灯总光通量的测量
Photometric and colorimetric measurement , such as luminous flux measurement of all kinds of lamps , luminous density measurement in classrooms and color measure of color tv etc . are commonly used in daily manufacturing . at present , special photometric and colorimetric instruments are available
在日常的生产中，光度和色度的测量是很常见的，如各种灯的光通量测量，教室内照度测量，彩色电视机的颜色测量等等。