The paper introduces uneven load in the arch-back to calculate the internal force in the linking of an interval tunnel for a metro line by theoretical formula and elastic uniform rigidity ring model.
采用拱背非均布荷载作用模式，利用理论计算公式结合弹性匀质圆环法对某城市地铁区间隧道衬砌管片进行内力计算。
The analysis of the best theoretical value and the concise calculation formula of Gini coefficient in the paper provided a simple and quick way to calculate Gini coefficient of China as a whole.
本文关于基尼系数的简易计算公式及其理论最佳值的分析，为中国城乡合一的基尼系数的测算及分析提供了一种新的思路。
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