中文摘要：

对于一个汉字系统中的文字集合，构成该集合所有文字的直接构件反映汉字系统的某些结构特征．基于对汉字拆分数据的研究，提出了一个直接构件模型，用于描述汉字集合中的文字数与直接构件数之间的关系．借助于大数定律、重复抽样方法和非线性回归方法，分别建立了金文、小篆、汉隶和宋楷几个具有代表性的、不同时代的汉字系统直接构件关系模型．

英文摘要：

For a characters set in a Chinese character system, the direct components, which constitute all Chinese characters in the set, reflects certain structure characteristics of the system. According to the research of the disintegrative data of Chinese characters, A model, which is named the direct component model, is proposed to describe the relation between the characters number and the direct components number about same Chinese character set. By means of the law of large number, repeated sampling method and nonlinear regression method, the direct component models are built up for Bronze Inscription system, Seal Script system, Official Script system and Song Dynasty Regular Script system.