飞机起飞性能计算，确定飞机的起飞性能，包括滑跑距离、起飞距离、起飞时间、离地速度，气动修正考虑了收放起落架、襟翼的影响，但未考虑地面效应.-Aircraft take-off performance calculations to determine the aircraft s takeoff performance, including the roll distance, takeoff distance, takeoff time, off speed, the amendment takes into account pneumatic retractable landing gear, flaps impact, but did not consider ground effect.