degree of unsaturation

• 不饱和度

degree of unsaturation的用法和样例：

例句

1. The alkenone unsaturation is an important index of paleotemperature.
   长链烯酮不饱和度温标是古温度研究的重要替代指标。
2. The concept and calculation of degrees of unsaturation in organic chemistry are discussed in detail in this paper.
   阐述了有机化学中不饱和度的概念，并对其计算作了详尽的介绍。