Usherwood的精選

Asforimitatingaviananatomytoamplifyairplaneaerodynamics,Usherwoodisn'twhollyconvinced-buthedoesn'truleoutthepossibility,either.至於模仿飛鳥飛行來改善飛機的空氣動力學*能，Usherwood也不是完全有信心，但是...