Numeric calculation results show that the accuracy of the derived upper bound formula is obviously higher than current upper bound formula.

数值计算结果证明，推导出的整体截断误差上限公式的准确度明显高于现用整体截断误差上限公式的准确度。

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So, current upper bound formula can be perfectly replaced by derived upper bound formula.

因此，应该用推导出的公式代替现用公式。

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So, current upper bound formula can be perfectly replaced by derived upper bound formula.

因此，应该用推导出的公式代替现用公式。

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