通过测量系统的光谱透过率，确定出各向异性介质的厚度。
So we can determine the thickness of medium by measure the spectral transmission.
介绍了光谱辐射测量装置和测量大气光谱透过率的原理及方法。
The measuring principle and method for spectral atmosphere transmission by use of spectral radiation measurement instruments are given.
用光谱仪测定多孔玻璃的紫外可见近红外光谱，对光谱透过率与浸析效果之间的关系作了定性分析。
The relationship between the transmittance and leaching effect of the glasses was discussed by measuring UV VIS NIR spectrum.
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