以环境要素数据为自变量，样点单位面积生物量为因变量，采用二元四次多项式建立趋势方程并生成立体模型。
On the support of GIS technology and through the method of net sampling, the data of basic environmental elements and biomass per acreage of sampling sites were obtained.
以环境要素数据为自变量，样点单位面积生物量为因变量，采用二元四次多项式建立趋势方程并生成立体模型。
On the support of GIS technology and through the method of net sampling, the data of basic environmental elements and biomass per acreage of sampling sites were obtained.
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