The second part deals with the classification of the annotations, followed with a discussion of their backgrounds formation, major works and influences.

第二部分对这些注释进行了分类，阐述了各种类别《老子》注释的思想源头、时代背景、主要作品以及在当时和以后的影响。

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The second part will comment Lei Haizong's major works.

第二部分是雷海宗主要著作评述。

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