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关注：1
2013-05-23 12:21
求翻译：Since 1976, Entity-Relationship (ER) and its extensions are the most used notations for database conceptual modelling and still remains the de facto standard (Navathe 1992).是什么意思？ 待解决
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- 离问题结束还有
Since 1976, Entity-Relationship (ER) and its extensions are the most used notations for database conceptual modelling and still remains the de facto standard (Navathe 1992).
问题补充： |
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