Studying the structure and zymogram of proteid is important to realize the organism evolution and classification.
蛋白质酶谱和结构的研究，对于深入了解生物的进化和分类关系具有重要的意义。
This part starts from the concept of recidivism, and then its historical evolution and classification will be briefly introduced in the part.
该部分从累犯的概念出发并对累犯的历史演进和累犯的分类等方面进行简略的叙述。
Evolution of chemical matter and its level classification are not two irrelevant problems but two aspects of a problem.
化学物质的进化和化学物质的层次分类，是一个问题的两方面，而不是两个不相关的问题。
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