| 单词 | swept-back |
| 释义 | > as lemmasswept-back swept-back adj. Aeronautics (of a wing) having its leading edge angled backwards (cf. sweepback n. at sweep- comb. form 3 and delta wing n. at delta n. Compounds 2); also transferred. ΘΚΠ society > travel > air or space travel > a means of conveyance through the air > aeroplane > parts of aircraft > [adjective] > types of wing flappinga1857 cambered1909 swept-back1914 slotted1921 crustacean1928 cranked1939 unswept1946 variable sweep1954 Gothic1959 ogival1962 1914 Aeroplane 26 Feb. 213/2 Swept-back wings with negative tips must always have their centre of side pressure farther back relatively to their centre of lift than normal wings. 1951 Engineering 20 Apr. 474/3 The third type of British swept-back ‘delta’-wing experimental aircraft. 1959 Engineering 16 Jan. 95/1 At each side of the column just below the engine are ‘swept back’ service ducts extending to the cell walls. 1976 B. Jackson Flameout x. 169 Fast aircraft with swept-back wings are susceptible to dutch rolls. < as lemmas |
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