coefficient of transmissivity

例句：

1. 1. Thenew design increases the transmissivity ofthe window.
   新设计提高了窗户的透射率。
2. 2. The scientist measured the transmissivity of the atmosphere using a radiometer.
   科学家使用一台辐射计测量了大气的透射率。
3. 3. The engineer calculated thetransmissivity of the material for thenew building.
   工程师为新建筑计算了材料的透射率。