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四防二守
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四防二守
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四防二守
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emergency management plan for flood control
四防二守
明代总理河道大臣潘季驯(1521~1595)在前人防洪度汛经验基础上总结制定的一整套防洪应急管理预案。“四防”即昼防、夜防、风防和雨防,“二守”即官守和民守。
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