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本文对山西省秋千沟林场的林种、树种结构进行了研究。在结构优化过程中，考虑到森林结构的层次性，选用了分析系统递阶层次结构的层次分析法作为数学工具，结果表明：该法对于“目标结构比较复杂，缺乏必要数据的结构优化问题”比较适用，可按兼顾生态效益、社会效益、经济效益，又有所侧重的原则，将各林种、树种的面积比例落实到合理的水平上。
In this paper, the forest species and tree species structure of Qiuqiangou Forest Farm in Shanxi Province were studied. In the process of structural optimization, taking into account the hierarchical structure of forest structure, AHP (Analytic Hierarchy Process) is chosen as the mathematical tool. The results show that this method is suitable for structural optimization problems with complex target structure and lack of necessary data More applicable, according to ecological and social benefits, economic benefits, but also focus on the principle of all kinds of forest species, the proportion of tree species to a reasonable level.