长期预测: long range forecastlong range predictionlong range projectionlong run predictionlong term forecastlong term projectionlong-range predictionlong-run forecastlong-term forecastinglong-term p
The prediction of the occurrence level of pests is to predict the amount of pests and it is the core of which and how many fields need to be controlled 发生量预测就是预测害虫的发生数量，害虫发生量的预测是决定防治区域、防治田块面积及防治次数的依据。
