Zipf law has been applied to predict resources. It is an easy and effective method to forecast quantity of resources.

应用齐波夫定律预测资源量的方法简单，有效。

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Some problems of applying Zipf law are discussed, and some tentative suggestions of resolution to the problems are made.

同时，分析了应用齐波夫定律存在的问题，提出了解决问题的初步设想。

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According to this model, we have also discussed the unifity of three empirical laws in the bibliometrics and the universality and mechanism of the Bradford-Zipf-Lotka distribution.

揭示了公式中幂指数的深刻含义——“分维”。根据这一模型，讨论了情报学三个经验定律的统一性和该分布的普遍性及其产生机制。

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Back in the 1940s, George Zipf, an American researcher, noted that a city's population is inversely proportional to its rank in a country.

ECONOMIST: Urban research

Cindy Zipf, the executive director of Clean Ocean Action Inc.

WSJ: Should the U.S. Expand