一套完整的四旋翼微型飞行器设计原理及程序，绝对能用。-A complete set of four rotor MAV design principles and procedures, absolutely can.

用于四翼飞行器的研究，有助于初学者的学习。能更好的帮助初学者学习飞行器-The study used four-wing aircraft will help beginners to learn. Can better help beginners learn the aircraft