operational cycle

• 运行周期

operational cycle的用法和样例：

例句

1. The scientists checked the data for all possible natural influences such as the lunar cycle as well as random variationsfound neither to be at play.
   科学家们检查了可能造成这种变化的自然因素，例如月亮运行周期和随机的变化，结果发现二者都不起作用。