average transmittance

基本解释

The average transmittance of thin film in visible region was above 80%.
薄膜可见光透过率平均可达80%以上，在紫外光区有较高的吸收性；
The diurnal variation of average PAR transmittance was greater at noon than in the morning and afternoon.
平均PAR透光率日变化表现为早晚较低，中午较高；
The average transmittance of the coatings in visible light spectrum is up to 75%, and 73% in infrared region, which can provide effective insulation for heat radiation.
光谱分析证实其在可见光区平均透过率可达75 % ，在红外区阻隔率达到73% ，能对热辐射起到有效的阻隔作用。