第一部分介绍孙常叙学术生涯及文字学著述；
The first section describes the Sun Changxu academic career and writings of philology;
第四部分是汉字形体流变图谱以及孙常叙语言文字理论的影响等。
The fourth part is the flow map of Chinese Characters and the influence of Sun Changxu language theory and so on.
第四部分是汉字形体流变图谱以及孙常叙语言文字理论的影响等。
The fourth part is the flow map of Chinese Characters and the influence of Sun Changxu language theory and so on.
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