optimum condition

例句：

1. 1.The optimum temperature for growing crops is between 60°F and 70°F.
   农作物生长的最佳温度范围是60°F到70°F。
2. 2. The company's optimum growth rate was achieved at a market capitalization of $5 billion.
   该公司在市值达到50亿美元时达到了最佳增长速率。
3. 3. The optimum level of education required to achieve this goal is six years of schooling.
   为了实现这一目标，所需的教育水平最优为六年的正规学校教育。