Categorizing these models by functional behavior, logical compared with physical structure, and internal behavior states will produce a useful record of the overall architecture for the system.

按照功能行为、逻辑结构与物理结构的比较及内部行为状态对这些模型进行归类，可得到有用的系统总体体系结构记录。

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At first, this thesis elaborated the internal structure of user costs and existing calculation models.

本文首先针对用户成本的内部构成和已有计算模型进行阐述。

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