标识符中记录了请求实体的名字，这样如果有任何非法的使用，目标资源管理器就可以立即判断出来。

The identifiers have the requesting entity's name inscribed so that any illegal use could be immediately identified by the target resource managers.

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相反，操作上输入与输出的名字，会标上范围内背景标识符(拥有活动的类)中的参数、变量或者结构性特性。

Instead, the names of the input and output pins on the actions are labeled by a parameter, variable, or structural feature in the context classifier (the class owning the activity) that is in scope.

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目标名字域为XML方案文件及其域扩展定义了独一的标识符。

The target namespace defines the unique identifier for the XML schema file and its domain extension.

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