The current viewpoints on the modifying coefficient problem of end-bearing resistance of large diameter belled piles are different.

目前人们对大直径扩底桩端阻力折减问题有不同的看法。

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After solving the system of linear algebraic equations, another problem is induced that requires revising this coefficient matrix in order to get a new system of equations.

在线性代数方程组已解出之后，另一个课题需要修改它的系数矩阵，从而得到一个新的方程组。

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Accurate understanding and calculating the total fracturing fluid leak-off coefficient is both key problem to the fracturing design and the important matter to the analysis after fracturing.

准确认识和计算压裂液综合滤失系数，既是压裂施工设计中的一个关键问题，也是压后分析评估的一个核心内容。

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