In the first layer classification the reactions are classified in a hyperspace created based on a set of widely applicable reaction descriptors named first order reaction descriptors.

第一次分类时不同的同类反应都在由一组普适性好的称作反应结构一级描述符构成的空间中进行。

youdao

She wasn't, so shouting abuse at Craig Bellemy to see who could get a personal reaction first was the bet my cousin had set, and this was only to kill time until the entrance of Adebayor.

既然她不在，那就冲着贝拉米狂吼羞辱他好了，我甚至和表弟打赌，比谁能先激怒他。这成为了唯一用来打法时间的手段，直到某人出场为止。

youdao

It was in a University of Chicago squash court that Enrico Fermi set off the first controlled nuclear chain reaction in 1942.

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