absorptance
🇬🇧/əbˈsɔːptəns/ 🇺🇸/æbˈsɔːrptəns; æbˈzɔːrptəns/a measure of the ability of an object to absorb radiation, equal to the ratio of the absorbed radiant flux to the incident flux. 吸收比 ( symbol: α)
noun [专属名词] [物] 吸收率；吸收比
With decreasing the film thickness, the maximum absorptance appears. 随着薄膜厚度减小，吸收率具有极大值。
