controlled parafoil可控翼伞
controllable parafoil发达
powered parafoil动力翼伞
ram-air parafoil冲压式冀伞
And the study of parafoil inland lagged behind greatly.
国内对翼伞的研究与国外相比还有很大差距。
参考来源 - 翼伞系统动力学与归航方案研究N（名词） a nonrigid aerofoil inflated by the wind, used in kites and paragliders (用在风筝和滑翔伞中的)翼伞