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从农业灾害的发生过程入手， 重点探讨了自然变异因子在一定发生阶段上为害农业生产的内在机制， 指出农业抗灾力与农业灾害破坏力之间的矛盾关系
Beginning with the process of agricultural disasters, this paper focuses on the intrinsic mechanism of natural variation factors in agricultural production at a certain stage of occurrence, and points out the contradiction between agricultural disaster resistance and the destructive power of agricultural disasters