Take a sample of unencoded text, count how many times specific letters appear in the text, and sort the letters in order from most to least frequent.

获取一个未编码的文本样例，计算文本中出现特定字母的次数，然后按频率最高到最低的顺序给字母排序。

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Based upon these research results, the authors concluded that the count of Bacilus cereus spore in soil sample is an important indicator of gold content in gold ore deposit area.

依据这些研究，作者认为蜡质芽孢杆菌孢子数是指示金矿床区金含量多少的一项重要指标。

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The researchers used a sophisticated computer program to count the number of molecules with green or red fluorescent tags in each sample.

Gao说，研究者用一个复杂的计算机程序去计算每一样本的绿或红的荧光标签分子数量。

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