通过引入所谓的混合偏差商，给出一个递推算法及一个数值例子，进一步给出了其特征定理和误差估计。

By introducing the so-called blending partial differences, a recursive algorithm is given as well as a numerical example. The characteristic theorem and an error estimation are also presented.

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所有的试验均为短期，且大部份的研究均被判断有高度风险之偏差，以及所有的试验全部由制造商赞助或主导。

All trials were however short term and the majority of the studies were judged to be at high risk of bias and were either sponsored or conducted by the manufacturers.

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本文的第四章研究的是单叶调和函数模的偏差估计，我们将拟共形映射理论与调和函数理论相互结合起来，用新定义的角伸缩商宋对单叶调和函数的模给出新的估计。

We research it by some new knowledge combining the quasiconformal theory with the harmonic theory. A new estimate of modulus is given which is relation to the angular dilatation.

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