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北京市水果产量和面积预测探讨
引用本文:李金光. 北京市水果产量和面积预测探讨[J]. 北京农学院学报, 1993, 0(2)
作者姓名:李金光
作者单位:北京农学院园艺系 北京
摘    要:本文根据趋势外推法和灰色系统预测理论进行了北京水果产量和面积预测的数据处理、典型曲线型函数选择、模型精度检验的探讨,并对水果总产量和面积以及苹果、梨、葡萄的产量和面积进行了预测.

关 键 词:预测  模型  精度

Studies on Prdiction of Yield and Planting Area of Fruits in Beijing
Li Jinguang. Studies on Prdiction of Yield and Planting Area of Fruits in Beijing[J]. Journal of Beijing Agricultural College, 1993, 0(2)
Authors:Li Jinguang
Affiliation:Li Jinguang Department of Horticulture
Abstract:Studies on prediction of yield and planting area of fruits in Beijng with themethod of trend extension and he theory of grey system prediction is introduced,including treament of source material, selection of typical model nd nalysis ofpredictive precision. And it is given predictive values of yield and planting area of thewhole, apple, pear nd rape from 1991 to 2010 in Beijing.
Keywords:prediction  model  precision
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