对直机翼无尾飞机，只有负弯度才满足飞行条件。

For straight - winged tailless airplanes, only the negative camber satisfies the conditions for flight.

youdao

对直机翼无尾飞机，只有负弯度才满足飞行条件。

For straight - winged tailless airplanes, only the negative camber satisfies the conditions for flight.

youdao