| 单词 | dihedral |
| 释义 | dihedral /duy hee"dreuhl/, adj. 1. having or formed by two planes. 2. of or pertaining to a dihedron. n. 3. dihedron. 4. Aeron. the angle at which the right and left wings or the halves of any other horizontal surface of an airplane or the like are inclined upward or downward. [1790-1800; DI-1 + -HEDRAL] |
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