The aircraft is adopted with the swept forwardwing is not a new configuration, but the unmanned aircraft is adopted with the swept forwardwing is unprecedented.
飞机采用前掠翼气动布局并非鲜为人知,但无人驾驶飞机采用前掠翼却前所未有。
2
He suggests using electric motors or shape-memory materials to repeatedly flick the end of a flexible, wedge-shaped wing, creating a wave that ripples backwards and generates forward thrust.