考研Peter lissaman, an aeronautics expert who was formerly at Caltech and the University of Southern California has suggested that a formation of 25 birds might enjoy a range increase of 71%.
曾在加州理工学院和南加州大学任职的航空专家Peter lissaman认为,25只鸟类的形成可能会增加71%的范围。
2010年考研真题(英语二)阅读理解 Section Ⅱ
未经许可,严禁转发。QQ交流群:688169419