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森林可燃物灰色verhulst模型动态预测居恩德,何忠秋,刘艳红,张宗林(东北林业大学)(黑龙江省森林经营研究所)(东北林业大学)(讷河县林业局)1数据来源与调查方法数据来自1988年周再知对塔河林业局三种可燃物类型的调查资料。可燃物类型包括杜鹃一落...
Dynamic prediction of gray verhulst model of forest combustibles GUO Ende, HE Zhongqiu, LIU Yanhong, ZHANG Zonglin (Northeast Forestry University) (Heilongjiang Forest Management Institute) (Northeast Forestry University) (Nehe County Forestry Bureau) 1 Data sources and survey methods Data from In 1988 Zhou Zaizhi Tahe Forestry Bureau three types of combustible materials survey data. Flammable types include rhododendrons fall ...