A requirement is simply a statement of what the system must do or what character

A requirement is simply a statement of what the system must do or what characteristics it needs to h

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UML用关系把事物结合在一起,其所包含的四种关系中,(  )描述一组对象之间连接的结构关系;(  )描述特殊元素的对象可以替换一般元素的对象。问题1选项A.依赖

UML用关系把事物结合在一起,其所包含的四种关系中,(  )描述一组对象之间连接的结构关系;(  )描述特殊元素的对象可以替换一般元素的对象。问题1选项A.依赖关系B.关联关系C.泛化关系D.实现关系

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