background transmissivity

例句：

1. 1. The study of background transmissivity is crucial for understanding the behavior of light in a dark environment.
   研究背景透射率对于理解光在黑暗环境中的行为至关重要。
2. 2. In order to improve the performance of solar panels, researchers are exploring ways to increase the background transmissivity of these panels.
   为了提高太阳能电池板的性能，研究人员正在探索如何增加这些面板的背景透射率。
3. 3. The design of the sensor was optimized to reduce background transmissivity and enhance signal-to-noise ratio.
   传感器的设计被优化以减少背景透射率并提高信号与噪声比。