Physical data models are used to describe data at the lowest level.
物理数据描述型用于描述最低层的数据。
A business name is an English-like and meaningful name used to describe a data object.
业务名称是一个类似英语的有意义的名称，用来描述数据对象。
A term used to describe the existing situation. The opposite is historical price data.
用于形容现行的术语，与其相对的则是历史价格数据。
A term used to describe the existing situation. The opposite is historical price data.
用于形容现行的术语，与其相对的则是历史价格数据。
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