For experimental setup to calibrate spectral radiance by applying a diffuse plane, the measured spectral radiance can be obtained through integral of spectral radiation flux entering the spectrometer.
在利用漫反射板标定光谱辐亮度的实验装置中，标准灯完全可以近似为点光源。
The above definition of diffuse density implies that the input light is collimated and that all the output flux is collected.
上面定义的漫射密度意味著输入光先经过准直，然后收集所有的输出量。
With the help of solve-diffuse model, explain operating press how to change membrane flux and separating character.
又综合各项模型得出了膜通量随时间变化模型，与时间是呈指数关系变化的。
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