the fraction of radiant energy that passes through a substance
例句
用作名词 (n.)
Visible light transmittance of coated glass is one of the important indexes of optical properties. 镀膜玻璃可见光透射比是其光学特性的重要指标之一。
Band structures and transmittance of a one-dimensional confined antiferromagnetic photonic crystal were calculated by the transfer matrix method. 采用传输矩阵法计算了一维受限反铁磁光子晶体的带结构和透射比。