这种数值计算方法比传统的解析近似估算方法更为合理和准确。

The numerical calculation method is more accurate than the analytic method, which provides an effective method for the design and parameter calculation of AEWN.

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主要论述群桩负摩阻力的特点及群桩负摩阻力的计算，并结合国内外几种常用的近似估算法进行比较，对各种计算方法加以评价。

The characters and the calculation of negative friction of a pile group are given. Several approximately estimating methods are compared with the others and commented on as well in this paper.

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而对研究人员的估算工作而言，近似值也就足够了。

And that, the researchers reckon, will be good enough.

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