On the basis of the results achieved above, the models for disease index and yield loss ratio and for disease index and weight per kilograin were established.
千粒重随着病情
数的增加呈下降趋势,并在此基础上组建了病情数与产量损失
的关系模型,病情数与千粒重的关系模型.
（保险公司在一定时期内赔偿保险损失额与收到的保险费间的比）On the basis of the results achieved above, the models for disease index and yield loss ratio and for disease index and weight per kilograin were established.
千粒重随着病情数的增加呈下降趋势,并在此基础上组建了病情数与产量损失的关系模型,病情数与千粒重的关系模型.
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正。
