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1994年,韩国的一座钢筋混凝土桥梁在汽车经过时突然断裂,结果连人带车坠入了滚滚的江流中,造成严重的人员伤亡,甚至还使汉城的几位政府官员引咎辞职。这一起轰动世界的事故虽然和政府官员不负责任、官僚主义严重有关,但是,如果桥梁在刚刚出现裂纹、还没有断裂之前,能自己向人们报警,提醒管理人员,则有可能避免这起恶性事故。或者桥梁更“主动”一点,在出现裂纹后,自己能立即自动修补,并加固如初,那也
In 1994, a reinforced concrete bridge in South Korea suddenly broke down when the car passed. As a result, people drove into the rolling currents, causing serious casualties, and even led several government officials in Seoul to resign. This incident that caused a sensation in the world is related to the irresponsibility of government officials and bureaucratism. However, if the bridge is just cracked and has not broken, it can alert people by themselves and remind the management staff that it is possible to avoid this malice. ACCIDENT. Or the bridge is more “active”. After a crack appears, it can be repaired automatically and reinforced as it was.