需要添加到R以使(X,R)成为晶格的最小有序对数为_____。注意:此问题显示为“数值答案类型”。
(A) 0
(B) 1
(C) 2
(D) 3答案: (A)
解释:
Here in the given lattice a should be related as
(a,a) , (a,b), (a,c), (a,d), (a,e)
b: (b,c), (b,e), (b,b).
c: (c,c), (c,e)
d: (d,d), (d,e)
e: (e,e)
all pairs are already present here .
Thus answer will be zero.
这个问题的测验