论文部分内容阅读
根据新乡市１９８４～１９９６历年四月份平均气温与降雨量及各年苗蚜发生量观察资料，运用模糊数学方法对苗蚜发生量进行预测分析，结果预测值与实测值符合率达９３％。
According to the data of average temperature and rainfall in April 1984 in Xinxiang City and the occurrence of seedling aphids in each year from 1984 to 1996 in Xinxiang City, a fuzzy mathematics method was used to predict the occurrence of seedling aphids. The results showed that the predicted value was in line with the measured value of 93%.