【单选题】【消耗次数：1】
业务流程分析主要是为了描述现行系统的（）。
①
物理模型
②
逻辑模型
③
数据模型
④
原理模型
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在用数据模型描述数据时，一般要求数据模型要满足三个要求。下列描述中，不属于数据模型应满足要求的是（ ）。
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