extinction angle 消弧角 ; 衰耗
constant extinction angle control 恒熄弧角控制
critical extinction angle 临界熄弧角
constant extinction angle 逆变侧定熄弧角
symmetrical extinction angle 对称消光角
real extinction angle 实际熄弧角
minimum extinction angle 最小关断角
maximum extinction angle 最大消光角
extinction angle control 熄弧角控制
The field identification according to the extinction angle distinguish.
野外鉴定时可根据解理夹角相区分。
This paper presents a method of measuring the particle mean size and dust concentration by small angle near forward light scattering optics and the extinction theory.
本文综合前向小角光散理论及消光原理，提出一种测量粉尘平均粒径及粉尘浓度的光学方法。
And the effects of small changes of thin film thickness, incident angle and wavelength on extinction index of this polarizer are also studied.
同时研究了薄膜厚度、入射角及波长的微小变化（或误差）对于该偏振器消光率的影响。
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