| 单词 | angle of attack |
| 释义 | > as lemmasangle of attack angle of attack n. [probably after French angle d'attaque (1873 in aeronautics)] the angle between a surface and the direction of its motion, or the direction of motion of a surrounding medium; (Aeronautics) the angle between the chord line of an aerofoil and the direction of the undisturbed airflow. ΘΚΠ society > travel > air or space travel > a means of conveyance through the air > aeroplane > parts of aircraft > [noun] > plane or aerofoil > wing > angle of chord of wing with air current angle of attack1908 angle of incidence1910 1889 Science 28 June 497/1 With a ram formed as this one is, the most advantageous angle of attack is precisely that which would be the most dangerous with the usual pattern, or, say, about twelve degrees.] 1908 Westm. Gaz. 30 May 7/3 The angle at which the plane is inclined to the direction of motion, the technical term for that angle being the angle of attack. 1971 Flying Apr. 107/2 Far easier and more accurate would be the universal adoption of angle-of-attack indicators. 1990 T. Cunliffe Easy on Helm iii. 22 Most boats seem to exhibit a certain amount of twist between the angle of attack of the bottom and top of their sails. 2003 Proc. Royal Soc. B. 270 1379 Both Perspex and birds' tail models produce lift similar to that predicted by delta-wing theory..at low angles of attack. < as lemmas |
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