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依据次生低产林分的实际分布状况划分了改造类型，提出了相应的改造模式。重点讨论了“人天混”改造模式及其可能的经济和生态效益。
Based on the actual distribution of the secondary low yield forest, the types of transformation were classified and the corresponding transformation models were proposed. Focus on the “people-day mixed” transformation model and its possible economic and ecological benefits.