孔或轴采用包容要求时,应遵守()边界;最大实体要求应用于被测要素时,被测要素应遵守()边界。
参考答案:最大实体 ; 最大实体实效
— Wow, isn't this handsome device the most popular iPad 2? Can I have a look at it?
— _______.[ ]
A. No, you can't
B. Sorry, it is expensive
C. Yes, go ahead
D. Of course, it looks good
视网膜静脉周围炎可导致()
A.裂孔性视网膜脱离
B.渗出性视网膜脱离
C.牵拉性视网膜脱离
D.多灶性视网膜脱离
E.大泡性视网膜脱离