然后你有一个多群的或者是扩散等式,或者更严厉地解决这些等式。

You then can a multi-group either diffusion equation or solve these types of equations and more rigorously.

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它也能提供你一个关于，那怎么能将多群的问题分解成，能够从一个数学的角度，能理解的问题。

And it will also provide you with an understanding of how one might break down the multi-group problem into something that's understandable from a mathematical standpoint.

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多谢一群有公德心的市民，克利彭多夫花园才得以维持下去。

Thanks to a group of public-spirited citizens, the Krippendorf garden has been preserved.

《柯林斯英汉双解大词典》

So there's a whole bunch of different sororities.

因而会有这么多不同的姐妹群。

不能错过的派对 - SpeakingMax英语口语达人