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
关系规范
与反规范
题。
;正常;正规
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关系规范与反规范题。
Results The contents of loganin and morroniside was higher than 98% by normalization method of HPLC.
结果所得马钱苷和莫诺苷用归一法定量，质量分数均大于98%。
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