Their initial results suggest the model works on a local scale, although they are expanding their tests to study leaves from species at the Rocky Mountain Biological Laboratory in Colorado.

他们的最初结果表明，这项模型在当地范围内可行。他们扩大研究范围，正研究科罗拉多若基山生物实验室中的树叶。

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Photo Tip: When your subject is of indeterminate size-a mountain, a body of water, a snowscape-add a sense of scale by including something of known size, such as a person, a car, a tree, or an animal.

拍照小技巧：当拍摄对象的大小不容易看出来的时候——例如拍摄一座山，一片水域，一处雪景——在画面中加入一样可以确知大小的对象，例如一个人，一辆车，一只动物等。

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The first thing he did was to build a scale model of the mountain.

他做的第一件事就是按比例打造出山的模型。

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Back then, the locals could not begin to understand why would ever scale a mountain unless you had lost a goat up one.

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Taking an organization to scale is like climbing a mountain.

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If you are close enough to see finer-scale features on the side of a mountain, he says, it is too late.

ECONOMIST: MONITOR