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《汉书》云:“边城之地,必将婴城固守,皆为金城汤池,不可攻也。”“固若金汤”这一成语就出于此。举办一届成功、精彩、难忘的世博会,平安是关键,为打好这一场硬仗,确保世博安全,上海世博会制定了一系列严格、系统、细致、全面的安保措施,力求达到的效果用固
“Han” cloud: “edge of the city, bound to adhere to the infant city, all Jincheng soup pool, can not attack too. ” “Impregnable” this idiom out of this. To hold a successful, wonderful and unforgettable EXPO, peace is the key. In order to lay a good battle and ensure the safety of the Expo, Shanghai World Expo has formulated a series of strict, systematic, meticulous and comprehensive security measures in an effort to achieve the desired effect