中文翻译与英英解释

n.
(飞机的)减速副翼〔副翼和减速板的组合〕。

A deceleron, or split aileron, was developed in the late 1940s by Northrop originally for use on the F-89 Scorpion fighter aircraft. It is a two-part aileron that can be deflected as a unit to provide roll control, or split open to act as an air brake.