The consumption structure of local residents is improving steadily. 居民消費結構不斷優化。
It also eaculates sometypical Enger coefficients in china and establishes three structural models which illustrate the changes of theconsumption structure. 計算了我國一些代表年份的恩格爾係數並建立了三個結構模型以說明消費結構的變化。