这可以使妇女控制其周期，并减少卵巢囊肿发生的几率。

This gives women control over their schedules, and also reduces the chance of ovarian cysts.

youdao

而与此同时，美国的女性就业率最近却下降了，可能是其周期的原因。

America's female employment rate, meanwhile, has recently declined-perhaps for cyclical reasons.

youdao

该计划从项目初创到产品展示，其周期仅略长于一年，而第一批身份证号已于2010年10月分配。

The programme went from start-up to roll-out in little more than a year, with the first identity numbers allocated in October 2010.

youdao

So, one that perhaps does not reproduce in such high numbers that you create an overwhelming infection, but one that still goes through its lifecycle but is limited in its effect.

因此,一方面这些病毒不会大量复制,从而不会导致暴发性的感染,另一方面,它依旧在进行生命周期循环,只不过对其效用进行了限制

耶鲁公开课 - 生物医学工程探索课程节选

They are RNA molecules but they have at some points in their life span, they have amino acids attached to them.

这些是如假包换的RNA分子,但在其生命周期的特定时间,它们会携带一个氨基酸分子

耶鲁公开课 - 生物医学工程探索课程节选