城市中的移动元素，特别是人以及人的活动，和城市中的固定元素一样重要。

Moving elements in a city, and in particular the people and their activities, are as important as the stationary physical parts.

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您将看到的第一个模块是 Effects 模块，它包含很多特性，比如隐藏元素、随处移动元素、淡入淡出元素等。

The first module you will look at is the Effects module, which includes features such as hiding elements, moving them around, fading them in and out, and so on.

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在地球上，移动的构造板块是一个主要的地质元素，对整个地表的动态变化至关重要，对吗？

Here on Earth, moving tectonic plates are a major geological element, just crucial for the whole surface dynamic, right?

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So similarly, as we now move up only one more atom in the table, 3 so to an atomic number of three or lithium, now we're going from six variables all the way to nine variables.

类似地就像我们现在,移动到周期表中仅仅多一个电子的情况，移动到一个原子数为，或者锂元素,现在我们从6个变量到了9个变量。

麻省理工公开课 - 化学原理课程节选

So the first one here is something called insertion sort which amounts to going through the list, taking the first thing that you see and inserting that element into its correct place, - then moving on to the next one, dealing with what element-- whatever element you're given and putting it in its right place.

首先是插入排序,在此算法中，需要遍历整个列表,将你遇到的第一个元素放在其正确的位置，然后移动到下一个元素，继续处理-,不管是什么元素,都将其插入到合适的位置。

哈佛公开课 - 计算机科学课程节选