他开始数人数。

He began to count the people.

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他们中的大多数人数学能力处于一般到较强的水平之间。

Most of them have average to strong math ability.

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本文在解读有关文献的基础上，讨论了估计错误计数人数和遗漏人数的途径、数据准备以及抽样估计的有关问题。

This article discusses some issues on the way to estimate erroneous inclusions and omissions, data preparation, and sampling measurement on the basis of the interpretation of the related literatures.

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For example, when I returned to China, I remember we had less than 10 million Internet users, and today we have more than 338 million Internet users.

举例来说，当我回到中国，当时中国网民人数不足一千万，而现在网民数达到了3。38亿。

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I'll count up the number of people killed in every church that I go to visit to look at.

每次我去一个教堂里,我都会数当地记录的阵亡人数

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