Liang says DNA sequences follow Zipf's law, which basically states that in any long document, half the words appear only once.
王亮说，DNA序列遵循齐普夫定律(Zipf ' s law)，该定律的基本表述是在任何长文件中，半数的单词仅出现一次。
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In this paper, several methods such as abundance pattern, Zipf's Law, characteristic analysis, information content and subordinate function are briefly introduced and Some of them are improved.