有迹象表明，巴西压榨企业将无法获得足以满足需求的大豆，据此，油世界下调了老茬大豆产量预测。
Oil World also cut its old crop estimate following indications that Brazilian crushers cannot find enough soybeans to cover their needs.
并利用逐步回归分析方法，建立大豆产量的预测模型，找出影响大豆产量的主要气象因子。
Taking advantage of stepwise regression, we find the main meteorological factors which affect the soybean output and establishes a calculate model.
利用气象条件对大豆进行产量预测。
Making use of the weather condition to carry on the yield estimate to the soybean.
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