• The plus trees selection of Q. variabilis should use the small sample plot method and the standard is different in each region.

    栓皮栎优树选择采用小样地地区选择标准不同

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  • By the statistical analysis method, the authors researched the growth model and cutting age of masson pine natural forest with the sample plot inventory data.

    根据标准地调查资料,应用统计分析方法研究生长模型结合森林经营实际确定采伐年龄

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  • The method of the standard sample-plot combined with remote sensing and GIS are employed.

    研究方法:用标准样地结合遥感、GIS等手段构建体系

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  • Type curve match analysis is the main method of modern well test interpretation, but the error of this method is unavoidable because of the limitation of the type curves in a sample plot.

    图版现代分析主要方法由于图版典型曲线分辨率的限制,使得典型曲线图版拟合分析不可避免地存在误差

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  • The generation and damage regulation of red turpentine beetle (Dendroctonus valens) are studied with the method of sample plot and tree-by-tree survey.

    采用标准地调查单株调查方法研究了脂大小蠹发生和危害规律

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  • Principles and calculation method were described of polygonal line setting and positioning of new sample plot. Application programme was appropriate for field work and could increase work efficiency.

    叙述了折线设定方法原理计算方法,编制适合于外业调查使用的计算应用程序

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  • Principles and calculation method were described of polygonal line setting and positioning of new sample plot. Application programme was appropriate for field work and could increase work efficiency.

    叙述了折线设定方法原理计算方法,编制适合于外业调查使用的计算应用程序

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