biological half time

例句：

1. 1. The researcher conducted a study on the biological half time of the species.
   研究者对物种的生物学半期进行了研究。
2. 2. During the biological half time, the researchers observed changes in the plant's growth patterns.
   在生物学半期内，研究人员观察到了植物生长模式的变化。
3. 3. The biologist used this information to calculate the optimal timing for planting the seeds.
   这位生物学家利用这些信息来计算播种的最佳时机。