| 单词 | tip speed |
| 释义 | > as lemmastip speed tip speed n. ΚΠ 1911 R. M. Pierce Dict. Aviation 231 Tip speed, the oscillatory speed of the tip of a reciprocating wing; the up-and-down velocity of a wing-tip in flapping flight. 1925 Flight 22 Oct. 686/2 (caption) The ‘Autogiro’... Note how the high tip speed of the windmill beat our photographer. 1969 Gloss. Aeronaut. & Astronaut. Terms (B.S.I.) v. 20 Tip speed, the mean angular velocity of the rotor multiplied by the rotor radius. < as lemmas |
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