In order to achieve maximum return with a minimum degree of risk, it is important to study the comovement between these two assets.
为了从组合中获取最大收益和最大限度的规避风险，研究这两种资产之间的联动问题具有重要意义。
Based on the regional fluctuation and its comovement of Chinas rice yield production, the paper pointed out that the regional fluctuation and its comovement is very obvious.
在分析中国水稻产出区域性波动和协动性的基础上，指出中国水稻产出的区域性波动特征和波动的协动性特征突出。
Based on the regional fluctuation and its comovement of Chinas rice yield production, the paper pointed out that the regional fluctuation and its comovement is very obvious.
在分析中国水稻产出区域性波动和协动性的基础上，指出中国水稻产出的区域性波动特征和波动的协动性特征突出。
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