模型——模型是特定于领域的数据表现形式。
Model – The model is a domain specific representation of data.
数据就是信息资源的最直接表现形式。
The data are the most direct form of expression of the information resources.
数据是信息资源最直接的表现形式。
Data is the very direct representation of information resources.
在不改变属性的情况下，把数据从一种表现形式转为另一种表现形式。
Transfers data from one form of record to another without changing its nature.
在不改变属性的情况下，把数据从一种表现形式转为另一种表现形式。
Transfers data from one form of record to another without changing its nature.
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