在关系数据模型中,二维表的列称为属性,二维表的行称为______。
参考答案:元组
能除痹的药物是()
A.猪苓
B.木通
C.石韦
D.冬葵子
E.薏苡仁
The quality of a processed food largely ______ the raw material and the way it _______. [ ]
A. relies on; processes
B. depends on; processes
C. depends on; is processed
D. decides on; is processed