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弧形闸门上普遍存在着振动，而振动对闸门的危害性现无统一的判别方法．针对目前判别方法存在的局限性，提出了用Ｇｒｅｅｎ函数诊断弧形闸门上的振动状态，以确定振动对闸门的安全影响
Vibrations are commonly found on arc gates, and there is no uniform discriminant method for the hazards of vibration on gates. In view of the limitations of the current discriminating methods, the Green function is proposed to diagnose the vibration state of the arc gate so as to determine the safety impact of the vibration on the gate