n.透射比(过滤系数；透明性；透光度)
Covered by tempered glass with high transmissivity. 优质钢化玻璃覆盖。
Analyois of Fresnel lens transmissivity and research of design[J]. 引用该论文 陈杰
The transmissivity and field of view of a Lyot filter were analyzed. 得出了透射率和视场随光轴倾角(光轴与晶体表面的夹角)和光线入射角(光线在晶体表面的入射角)的变化规律。
A model to study the transmissivity of diagnostic holes on hohlraum[J]. 引用该论文 许琰
Abstract: The randomness of the single channel measurement of smoke transmissivity is decrecsed by the multichannel measuring technique. 文摘:多通道烟幕透过率测试技术，克服了单通道动态烟幕透过率测试随机性大的弊端。
