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| 구성 계층 구조 (A set of entities that are conceptually part of a hierarchy, such as a parent entity and a child entity. Data operations require that the entities be treated as a single unit) | |||
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| 구성 계층 구조 (A set of entities that are conceptually part of a hierarchy, such as a parent entity and a child entity. Data operations require that the entities be treated as a single unit) | |||
