While you take it all in from our sun deck, we will keep you cool with freshly squeezed fruit juices.
当你在遮阳甲板上欣赏这所有的一切时,你还会喝到新鲜的水果汁使你保持凉爽。
It means you can take the posters off the wall, pack up winter clothes, return all borrowed books to the library, etc.
这意味着你可以把墙上的海报拿下来,把冬天的衣服打包,把借的书还给图书馆等等。
There are so many that it would take you over 3,000 years to count them all!
它们的数量如此之多,以至于你要花三千多年的时间才能把它们全部数出来!
And, if you take all of these ideas, omnidirectional and unsaturated, it means that ions can keep glomming on.
如果你注意所有的想法,无方向性和不饱和性,意味着离子能够保持攫取状态。
So, clearly you don't have your notes in front of you yet, so you can just listen, take it all in.
现在你们还没有拿到讲义,所以你们只要听就行,并且理解。
And all this is, is saying that when you take a mixed second derivative, it doesn't matter in which order you take the two derivatives.
麦克斯韦关系的本质是,当你考虑混合的二阶导数时,求导的顺序不影响最后的结果,现在,我们利用这些关系。
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