“crystal class”的概念、定义、翻译、参考文献-科学参考

单词	crystal class
释义	crystal class [`krist·ǝl `klas] ^{CRYSTALLOGRAPHY} One of 32 categories of crystals according to the inversions, rotations about an axis, reflections, and combinations of these which leaves the crystal invariant. Also known as symmetry class.
随便看	instantaneous center instantaneous companding instantaneous condition instantaneous cut instantaneous description instantaneous detonator instantaneous effects instantaneous field of view instantaneous frequency instantaneous frequency-indicating receiver instantaneous fuse drag chain drag-chain conveyor drag chute drag classifier drag coefficient drag conveyor drag-cup generator drag-cup motor drag-cup tachometer drag cut drag direction drag factor drag fold drag force

科学参考收录了103327条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。