“分级数据模型”的概念、定义、翻译、参考文献-科学参考

单词	分级数据模型
释义	分级数据模型 hierarchical data model
随便看	weak convergence weak converse theorem weak currencies weak currency weak current weak-current cable weak current engineering weak current insulator weak-current line weak-current switch weak damping weak deformation retract weak depression weak derivatives weak diagonal dominance weak differentiability weak differential operator weak digraph weak dimension weak discontinuity weak discontinuity surface weak disturbance weak dominant weak echo weak echo region

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