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单词
screw axis
释义
WordReference Random House Unabridged Dictionary of American English © 2024
screw
′
ax′is,
[
Crystall.
]
Crystallography
a symmetry element of a space group such that a rotation of the lattice about the axis and a translation of the lattice some fraction of the lattice's unit distance brings the lattice back to its original position.
1900–05
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off-key
off label
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offlap
off-licence
off-license
off limits
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更新时间:2025/7/31 6:48:01