variable transmittivity可变透过率
spectral transmittivity光谱透射率
infrared transmittivity红外透过率
potential transmittivity势透射率
smoke transmittivity烟幕透过率
laser transmittivity激光透过率
gas sensing transmittivity spectrum气敏透射光谱
photonic crystal fiber transmittivity光子晶体光纤透射谱
N（名词） the transmittance of unit thickness of a substance, neglecting any scattering effects 透射率 [physics]