absorption bands

例句：

1. 1. The absorption bands of the material are crucial for its performance.
   该材料的吸收带对其性能至关重要。
2. 2. The absorption bands of the new drug are very narrow, indicating high specificity.
   这种新药的吸收带非常窄，表明高度特异性。
3. 3. The absorption bands of the spectrum were used to determine the molecular structure of the compound.
   光谱的吸收带被用来确定化合物的分子结构。