This creates a second set of wings below the body and behind the arm wings, which is a more anatomically and aerodynamically stable configuration, he believes.
This creates a second set of wings below the body and behind the arm wings, which is a more anatomically and aerodynamically stable configuration, he believes.
他认为，这样就在身体下面和前翼后面构成了第二对翅膀，从解剖学和空气动力学的意义上来说，这是更加稳定的结构。