It points out particularly the error about a method of calculation of the elasticity of a unit demand.
指出，单位需求弹性的一种计算方法的误解。
The amount of China's per-capita carbon dioxide emissions ranked 92nd in the world, and the elasticity coefficient of carbon dioxide emissions per-unit GDP was very small.
中国人均二氧化碳排放量世界排名第92，每单位GDP排放的二氧化碳弹性系数非常小。
The paper expounds the basic concept of demand elasticity at first and analyzes the relation between the high elasticity and the low one, the unit elasticity and gross earning.
首先阐明需求弹性的基本概念，并分析了弹性和低弹性、单位弹性与总收益的关系。
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