zone of optimum condition

例句：

1. 1.The research team has identified the zone ofoptimum condition for this process.
   研究团队已经确定了这一过程的最佳条件区域。
2. 2.The plant is adapted to its zone ofoptimum condition.
   这种植物适应了其最佳条件区域。
3. 3. The scientists are studyingthe zone of optimum condition forcrop growth.
   科学家们正在研究作物生长的最佳条件区域。