Due to the uncertainness of the crane mathematic model, it is difficult for conventional PID controller to adjust the parameters online and the load swing cannot be controlled effectively.是什么意思_Due to the uncertainness of the crane mathematic model, it is difficult for conventional PID controller to adjust the parameters online and the load swing cannot be controlled effectively.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句