关于ACanadianuniversitys的百科

• ACanadianuniversitystudenthasdonewhatLeonardodaVinci(达·...

• 问题详情：ACanadianuniversitystudenthasdonewhatLeonardodaVinci(达·*奇)hadonlydreamtof:Pilotingahumanpowered“wing－flapping”plane!Calledanornithopter,andtheinspirationformodern－dayhelicopters,themachinewasfirstsketchedbyLeonardodaVinciwaybackin1485andne...
• 2021-07-0326553