photoabsorption cross-section的用法和樣例：
例句
- The dipole oscillator sum can be expressed in terms of the integrated photo absorption cross section.
偶極諧振子和可以用積分后的光子吸收截面來(lái)表示。 - The absorption spectrum and fluorescence spectrum of the two crystals were measured, the absorption cross section and emission cross section of the major peaks were calculated.
測得晶體的吸收光譜和熒光光譜，分別計算了兩種晶體在主吸收峰的吸收截面和主發(fā)射峰的受激發(fā)射截面。
