送交者: steven 于 2007-02-24, 23:27:36:
回答: 嗯，涡伦螺旋桨发动机能整出超音速，愤青大嘴又立一功！俺给你科普一下 由 炎阳 于 2007-02-24, 22:34:30:
If so, an aircraft won't be able to fly upside down, which fighter aircrafts both jet and propeller alikes do all the time.
Here is a link about more accurate explaination.
http://www.grc.nasa.gov/WWW/K-12/airplane/right2.html
and here is the typical wrong model
http://www.grc.nasa.gov/WWW/K-12/airplane/wrong1.html