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单词 screw axis
释义

WordReference Random House Unabridged Dictionary of American English © 2024
screw ax′is, [Crystall.]
  1. Crystallographya 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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更新时间:2024/9/20 7:51:14