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【单选题】
晶体宏观外形中的对称元素可有 种类型，将其进行一切可能的组合，可得______个晶体学点群，分属于_____个晶系，这些晶系总共有___种空间点阵型式。A.
6,32,7,14
B.
7,32,14 ， 14
C.
4,32,7,14
D.
7,32 ， 14,230
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