This paper introduces soil erosion and sediment yield scale features, scale transfer styles and theory methods, and the necessity to pay attention to the problems of scale transfer.

本文在介绍了侵蚀产沙的尺度特征后，对侵蚀产沙尺度转换的类型和理论方法进行了总结，最后还强调了尺度转换中应注意的问题。

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If everyone in the US would donate money according to that scale, it would yield 500 billion dollars.

如果在美国的每个人都根据那个等级来捐钱，那将产生5000亿美元。

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For example, it is not possible to install wind or solar plants on a commercial scale everywhere because some areas of the country are just not windy or sunny enough to yield enough power.

比如，不可能以商业规模到处建立风电场或太阳能发电厂，因为美国有些地区风力不足，日照不够，无法生产足够的电力。

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But despite the fact that it's modest, if everyone in the US would give according to that scale, it would yield 500 billion dollars.

尽管每个人的捐款不多，如果在美国，每个人都根据这个标准表捐款，那将会是5000亿美元。

普林斯顿公开课 - 人性课程节选

Alvarez is banking that fewer, more robust partnerships will yield economies of scale: As each distributor carries more product into stores, the overall per-unit cost of distribution will drop.

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In addition, aggregated demand in, say, Madagascar, with a population of 17m, is unlikely to yield the same economies of scale as in India.

ECONOMIST: MONITOR: Beyond the digital divide | The

Working either through the charter movement or the home schooling movement would enable a tablet textbook project to start small, yield immediate returns to participants, and scale easily, while largely ignoring the interests of incumbent institutions.

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