| 释义 |
quasi-crystal
quasi-crystal n (General Physics) physics a group of atoms resembling a crystal but not having symmetrical plane faces
quasi-crystal
quasi-crystal[¦kwä·zē ′krist·əl] (crystallography) A phase of solid matter that, like a crystal, exhibits long-range orientational order and translational order but whose atoms and clusters repeat in a sequence defined by a sum of periodic functions whose periods are in an irrational ratio. |