| 单词 | screw axis |
| 释义 | screw axisnoun 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. Origin of screw axisFirst recorded in 1900–05 Words nearby screw axisscreever, screigh, screw, screw around, screw auger, screw axis, screwball, screw bean, screw cap, screw conveyor, screwdriver Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 |
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