According to the release intensity of the cortex vesicles, cortical reaction can be divided into the latent period, development period, climactic period, declining period.

根据皮层小泡释放强度，可将皮层反应分为潜伏期、发展期、高潮期、衰退期四个时期。

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The period represented a rebirth of artistic development.

VOA: special.2010.02.03

In our first Yeats lecture, I was talking about Yeats's early development and stylistic transformation over the course of, roughly,a twenty-, twenty-five year period.

在我们讲叶芝的第一节课，我谈到叶芝的早期发展,以及他创作风格的转变，在大约20到25年的时间里。

耶鲁公开课 - 现代诗歌课程节选

He has been integral to the success of Scottish Water in its first 10 years and supported our former chief executive through Scottish Water's most successful period of development.

BBC: Douglas Millican named new boss of Scottish Water

There has been a long period of development, but version 2.0 of Tizen should be released during January, with an appearance on a mobile device in the first quarter of 2013.

FORBES: Tizen Is The Fulcrum Samsung Can Use Against Android And Google

Worker bees spend 12 days of their 21-day development period in a capped brood cell.

BBC: NEWS | Science/Nature | Sticky bees combat insect pests