The angle at which an aircraft's wing is set back from a right angle to the body.
（机翼的）后掠角
Example sentencesExamples
The wing sweepback angle varies from 16° to 69°, with respect to the wing leading edge with four outer-wing panel fixed positions of 16°, 35°, 45° and 69°.
Physically, the new wing will have a higher aspect ratio and a more pronounced sweepback angle, allowing for more efficient high-speed cruise performance.
The German introduction of the turbojet engine and moderate wing sweepback to improve high-speed flight performance was matched by Allied developments.
Definition of sweepback in US English:
sweepback
nounˈswēpbakˈswipbæk
The angle at which an aircraft's wing is set back from a right angle to the body.
（机翼的）后掠角
Example sentencesExamples
Physically, the new wing will have a higher aspect ratio and a more pronounced sweepback angle, allowing for more efficient high-speed cruise performance.
The German introduction of the turbojet engine and moderate wing sweepback to improve high-speed flight performance was matched by Allied developments.
The wing sweepback angle varies from 16° to 69°, with respect to the wing leading edge with four outer-wing panel fixed positions of 16°, 35°, 45° and 69°.