文中提出了一种试验数据曲线拟合的实用方法——逐步搜索分段回归法。
A practical method for curve fitting of test data-Progressive search and sectional regression-is presented.
根据毛管压力曲线资料，用分段回归的方法计算了不同孔隙结构的分形维数。
On the basis of the capillary pressure data, the fractal dimension of pore structure was calculated by using subsection regression method.
计算结果表明，用分段回归方法计算孔隙结构的分形维数能更好地反映孔隙结构的实际情况。
The results obtained by the subsection regression method can really reflect the pore structure in reservoir.
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