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Abstract: the agricultural catastrophe risk management is a mixer of the pure public goods and quasi-public goods.
[摘要]农业巨灾风险管理是纯公共物品与准公共物品的集合体。
youdao
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Abstract: the agricultural catastrophe risk management is a mixer of the pure public goods and quasi-public goods.
[摘要]农业巨灾风险管理是纯公共物品与准公共物品的集合体。
youdao