| 单词 | ground resonance |
| 释义 | > as lemmasground resonance ground resonance n. ΚΠ 1940 Jrnl. Aeronaut. Sci. Aug. 449/2 A series of high-speed motion pictures were taken of a turning rotor which was made to oscillate in ground resonance. 1959 F. D. Adams Aeronaut. Dict. 86/1 Ground resonance, a self-excited, mechanical, potentially destructive vibration of a rotary-wing aircraft in operation on the ground or surface, involving a coupling between the motion of the rotor blades and the motion of the supporting structure or the motion of the aircraft as a whole on its landing gear. < as lemmas |
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