The neutral control surface shows less structure than the corresponding fuzzy control surface. (b) This reflects the un structured nature of black- Control surface of the netrul controller (y=20) box supervised learning. BACKING UP A TRUCK 347 (a) (e) ccc 西安电子科技大学电子工程学院 School of Electronfe Engineering 11111111Control surface of the netrul controller（y=20） The neutral control surface shows less structure than the corresponding fuzzy control surface. This reflects the un structured nature of black- box supervised learning