这能告诉我们，点都是在哪些水平高度上的？

It will tell us, what are the various levels in there?

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向外看和眼睛一个水平高度。

Look outward at eye level.

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地板的水平高度随倾斜的地形而变化。

Level of the floor gradually follows the gently sloping terrain.

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So the readings, very much connected and take you to the next level of understanding and assimilation.

那么阅读，非常有关系，会把你们带到理解和吸收的另一个水平高度。

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And, if you laid this out in a table, as Mendeleev did with his cards, you would find that the local maxima all occur roughly in the same horizontal position from the end points of the rows.

如果你们这些放到一张表格上去，像是门捷列夫用纸牌做的那样，你会发现局部的最高点,会出现在同一个水平高度,从这些行的最后一点。

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