飞行器利用机翼上下两面的压力差形成提升力以平稳的在空中飞行，而潜艇在原理上形同海下的热气球，通过调节自身浮力或升或降。
Aircraft use lift from their wings to stay aloft, while submarines operate like underwater balloons, adjusting their buoyancy to sink or rise.
即使这样，Robertson博士依然说在拥有了更有效率，能提供更大升力的机翼后，制造电力飞行器依然是可行的。
Even so, Dr Robertson says it is feasible to build electric aircraft-provided they have efficient wings to provide lots of lift.
“升力推力”飞行器是根据新世纪对高超声速飞行器的需求提出的一种新型飞行器概念，它可以使飞行器的升阻比得以有效提高。
This paper made some analysis on techniques of the concept and power for the "lift-thrust" aircraft, and looked into its future development.
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