在讨论关系模型时,与“属性”同义的术语是 ______。
B
暂无解析
Afterashorttime,thebadnewshad_______alloverthecityandeverybodyknewit.
-WheredidyougolastSunday?
-Wewenttothebeach,andwehadgreatfun_______volleyball.
下图是一个水平放置的全封闭物体,则它的俯视图是()
-Whoknowswhatpandasandsheeplikeeating?
-Iknowpandaslikeeating_______andsheeplikeeatinggrass.
已知下列各组中两种溶液的pH,试问哪一组在溶液里相互混合后,溶液的可能等于7()