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| 확장점 (A location within a use case at which an action sequence from another use case may be inserted. Within a use case, each extension point name must be unique. Extension points appear in a compartment at the bottom of the Use Case shape) | |||
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| 확장점 (A location within a use case at which an action sequence from another use case may be inserted. Within a use case, each extension point name must be unique. Extension points appear in a compartment at the bottom of the Use Case shape) | |||
