A grab sway controlling scheme of bridge - type grab ship unloader is offered in order to increase productivity : first determines the desired trolley traveling speed chart to control the grab sway , then applies fast brake when the trolley approaches the hop and throws the material in the grab by the grab sway 摘要提出一种桥式抓斗卸船机抓斗有控摆动的策略，即通过小车运行速度曲线的设计控制抓斗摆动，并在小车接近料斗时快速制动，利用抓斗摆动抛出物料，以提高卸船机的生产率。
For example , it is fully enclosed and features a pair of 100 - inch screens positioned in front of and behind the players , players sit on seats that automatically swivel throughout the game , the seats are force - feedback - enabled to provide jolts at appropriate moments , and blasts of air will tell players when they ' ve been hit 例如，该机是全封闭的，拥有两块分别置于玩家前方和身后的100英寸屏幕，玩家坐在随游戏进行而自行摆动的座椅上，这些座椅带有力度感应，能在适当时候进行晃动，而在玩家受袭时还会有气流喷出对他们进行提示。
