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| 分级数据库管理系统 | |||
| 层次式数据库管理系统; 层次数据库管理系统 | |||
| 层次型数据库管理系统 | |||
| English thesaurus | |||
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| HDBMS (Vosoni) | |||
| HDBMS (DBMS, DB) | |||
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