英语翻译During flap retraction/extension,movement of the flaps t

英语翻译
During flap retraction/extension,movement of the flaps to the next position should be initiated when speed reaches the maneuvering speed for the existing setting.Normally the airplane should be accelerating when retracting flaps to the next position,however,acceptable maneuver margin is retained at the previous lower flap maneuvering speed.