Secondly, the change of lift, drag and moment, applied on the insect or other animals with flapping-wing, was calculated and analyzed while the coming flow which has constant direction and different velocity.

• 昆虫可以通过改变飞行速度和身体前端的迎角来改变扑翼所产生的升阻力和使身体旋转的矩,从而能够在不同来流速度时稳定飞行,降低能耗。