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ＧＭ（１．１）模型在森林害虫发生面积测报中的应用王岳，殳元芳，李德臣（黑龙江省林业科学院）（黑龙江省水利勘测设计研究院）（黑龙江省鹤北林业局）以往森林害虫的测报方法多是采用因子模型和随机理论，因子模型的关键是要找出与测报对象相关性好的因子，同时要求数...
Application of GM (1.1) Model in Forest Pests Occurrence Area Measurement and Reporting Wang Yue, Yuan Yuanfang, Li Dechen (Heilongjiang Academy of Forestry) (Heilongjiang Provincial Institute of Hydraulic Design and Research) (Heilongjiang Provincial Bureau of Forestry) Past forest pests The method of reporting is mostly using factor model and stochastic theory. The key of factor model is to find out the factors that have good relativity with the object of survey.