英语词汇“hierarchical model”的读音、翻译、释义、用法及例句-语文网

词汇	hierarchical model
释义	hierarchical model 层级模型在资料库系统中一种常用的资料模型，属於格式化模型，与网路模型一样是基本层次联系的集合。层级模型可用图来表示，图中的节点代表记录型。
随便看	Frenchy frenetic frenetically frenum frenzied frenziedly frenzy Freon freq. frequence frequency frequency frequency analysis frequency departure frequency division multiple access frequency-division multiplexing frequency modulation frequency modulation frequency-shift keying frequency-shift modulation frequent frequentation frequentative frequenter frequent flier

语文网英语在线翻译词典收录了223822条英语词汇在线翻译词条，基本涵盖了全部常用英语词汇的中英文双语翻译及用法，是英语学习的有利工具。