dark reaction time

例句：

1. 1.The dark reaction time of the enzyme is an important factor in determining its activity.
   酶的暗反应时间是决定其活性的一个重要因素。
2. 2.Dark reaction time is a key parameter in the development of new drugs.
   暗反应时间是开发新药物的关键参数。
3. 3.The dark reaction time of the sample was measured by using a spectrophotometer.
   样品的暗反应时间通过使用分光光度计进行测量。