47. 面心立方晶格(face-centered cubic, fcc)結構中,八面體空隙數(octahedral hole)對四面體空隙數 (tetrahedral hole)比為何?
(A) 1:2
(B) 1:1
(C) 2:1
(D) 4:1

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統計: A(3), B(0), C(0), D(0), E(0) #3803985