急跃升 meaning in English

hoick
zoom flight
zoom maneuver

Finally , the thesis developed 3d animation flight simulation platform for helicopter using opengl in visual c + + . and the 3d terrain and helicopter model are constructed . the simulation of two typical maneuver ( s maneuver flight and bopup - bopdown ) and terrain following shows that the fight control system of attack helicopter is improved by the realistic optical impact
本文最后在vc环境下用opengl开发了直升机三维动画仿真平台，构造了三维地形和直升机模型，仿真了直升机做蛇形机动、急跃升急跃降、地形跟随等机动飞行，通过逼真的视觉效果验证了飞控系统的正确性。