为准确掌握松毛虫种群基数，做好预测预报，用气象等环境因子与松毛虫发生量的关系，应用距平符号法进行松毛虫动态预测，收到良好效果。
In order to know the base number of the pine moth, we should forecast the occurrence. We should value the application of symbolic method for anomaly prediction of pine moth to achieve a good result.
为准确掌握松毛虫种群基数，做好预测预报，用气象等环境因子与松毛虫发生量的关系，应用距平符号法进行松毛虫动态预测，收到良好效果。
In order to know the base number of the pine moth, we should forecast the occurrence. We should value the application of symbolic method for anomaly prediction of pine moth to achieve a good result.
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