运用产业组织相关理论、集中度系数、赫芬达尔—赫希曼指数、洛伦茨曲线和基尼系数分析了我国农机工业集中度现状。
Based on the theory of Industry Organization, the paper uses the Concentrative Ratio, Herfindahl-Hirschman Index, Lorenz Curve and Gini Coefficient to analyze AMM's concentrative degree.
简要介绍了洛伦茨曲线与基尼系数的概念，并简化了基尼系数计算公式，对计算过程中数据的收集、分组和排序等进行了探讨。
After introducing the concepts of Lorenz curve and Gini coefficient briefly, We simplified the formulas of Gini coefficient, discussed the data collecting, grouping and sequencing.
本文介绍了如何利用折射率的洛伦茨色散关系拟合氢原子光谱实验的定标曲线的方法。
This article demonstrates the method of simulating the calibration curve of hydrogen atomic spectrum using the Lorentz dispersion relation.
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