与"relational heirarchical structure"相近的词条

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• relational database
• relational database management software
• relational database management system
• relational database manager
• relational database support
• relational heirarchical structure
• relational information query system(RIQS)
• relational-like data base
• relational mapping
• relational model
• relational network
• relational operator
• relational pleiotropy
• relational reflex
• relational spiral
• relational storage technique

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