| 单词 |
percussion figure |
| 释义 |
Percussion Figure percussion figure[pər′kəsh·ən ‚fig·yər] (crystallography) Radiating lines on a crystal section produced by a sharp blow. Percussion Figure an arrangement of cracks on the face of a crystal, formed by the sharp impact of the blunted point of a steel center punch. The shape of a percussion figure reflects the symmetry of the crystal and the anisotropy of the crystal’s tensile strength. |
| 随便看 |
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