And, I'm going to have to explain to you, where does it come from? OK, but before I do that, well, let me point out actually that the equation is not just the diffusion equation.

给你们解释一下，这个从哪儿来？，在我解释之前，告诉大家，这个方程不只是扩散方程。

youdao

So, the diffusion equation is something that governs, well, what's called diffusion.

扩散方程是，适用于扩散过程的。

youdao

Well into her eighties, Betty would present her latest research on Japanese diffusion each year at the Pacific Pathways meetings in Sitka, [Alaska].

年近八十的贝蒂每年都在在阿拉斯加洲Sitka举行的Pacific Pathways会议上展示她关于日本文化传播的最新研究成果。

youdao

Diffusion mixes things very well, but as the size gets bigger, diffusion becomes very slow.

扩散作用使物质充分混合,但随着细胞变大后,扩散作用就捉襟见肘了

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On the other hand, if somebody says, "Somebody call the police," well, I got things to do and so diffusion of responsibility explains both when we're willing to do terrible things and also when we're willing to help people who are in trouble.

但是如果有人叫，“来人，快报警”,“我有事要忙”,责任分散,既能解释我们在什么情况下会干坏事,也能解释我们在什么情况下会帮别人。

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