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rotation axis
释义
WordReference Random House Unabridged Dictionary of American English © 2024
rota
′
tion ax′is,
[
Crystall.
]
Crystallography
an imaginary line through a crystal about which the crystal may be rotated a specified number of degrees and be brought back to its original position. Also called
axis of symmetry, symmetry axis of rotation.
Cf.
symmetry element.
1900–05
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