This paper firstly introduces the theory of normalization and denormalization in logical design of database.
文中首先论述了数据库逻辑设计中的关系
范
与反范的问题。
;正常;正
义词;;;法This paper firstly introduces the theory of normalization and denormalization in logical design of database.
文中首先论述了数据库逻辑设计中的关系范与反范的问题。
Results The contents of loganin and morroniside was higher than 98% by normalization method of HPLC.
结果所得马钱
和
用归一法定量，质量分数均大于98%。
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