| 单词 | percussion figure |
| 释义 | > as lemmaspercussion figure percussion figure n. [apparently after German Schlagfigur (1869)] Mineralogy a characteristic figure produced by a blow with a pointed instrument on a thin plate of certain crystals, esp. mica. ΚΠ 1890 Cent. Dict. at Percussion Percussion-figure, a figure produced in a thin plate of some crystals by a blow with a rather sharp point. 1991 Tectonophysics 190 373 If stress is applied rapidly by striking the surface in a controlled way, a pattern known as the ‘percussion figure’ is produced. < as lemmas |
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