| 单词 | crystal class |
| 释义 | crystal classnouncrystallog any of 32 possible types of crystals, classified according to their rotational symmetry about axes through a pointAlso called: point group Words nearby crystal classCryptozoon, cryptozygous, cryst., crystal, crystal ball, crystal class, crystal-clear, crystal counter, crystal detector, crystal form, crystal gazing Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 |
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