中国城乡家庭能源平等变化特征分析

王强, 周侃, 林键

Changes in energy equality between urban and rural households in China

WANG Qiang, ZHOU Kan, LIN Jian

图5 城乡家庭人均能源支出与人均家庭收入拟合曲线

Fig. 5 Fitting curves between per capita energy cost and per capita income