| 单词 | twin-axis |
| 释义 | > as lemmastwin-axis twin-axis n. Crystallography the axis of twinning in a twin crystal, i.e. the line about which either of the constituent crystals would have to revolve to come into the position of the other. ΘΚΠ the world > matter > chemistry > crystallography (general) > crystal (general) > crystal symmetry > [noun] > axis of symmetry > types of screw axis1843 twin-axis1855 triad axis1909 1855 D. T. Ansted et al. in Orr's Circle Sci.: Inorg. Nature 469 The axis about which the crystals are supposed to revolve is called the twin axis, and the plane to which it is perpendicular the twin plane. < as lemmas |
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