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单词 crystal system
释义 crystal system
[¦krist·ǝl `sis·tǝm]
CRYSTALLOGRAPHY
One of seven categories (cubic, hexagonal, tetragonal, trigonal, orthorhombic, monoclinic, and triclinic) into which a crystal may be classified according to the shape of the unit cell of its Bravais lattice, or according to the dominant symmetry elements of its crystal class.
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