环比指数

环比指数：指通过把某一时期的数值与前一时期的数值相比，而不是与固定基期相比而得出的指数。

Chain index : An index number derived by relating the value at any given period to the value in the previous period rather than to a fixed Base .

用户对采集来的基础数据进行统计分析，可以按区域、环线、区县来统计房价的平均售价以及环比指数、同比指数、首佳指数。

The basis of data collected for statistical analysis , statistics by region , Link , districts and counties to the average selling price of the house prices as well as the chain index , an index , the first good index .

本文以MR（美国《数学评论》）1973～1991年间主题分类变化的计量指标，从其环比增长指数的动态变化上探讨了数学发展的状况，并给出定量分析。

Using the change of mathematics subject classification as measure index , this paper discussed the state of the mathematics and its development according to the dynamic change of the chair index .

定基价格指数与环比价格指数

Fixed base index and chain index of price

二十个城市的凯斯-席勒月度环比住房价格指数在五月份上涨了0.9%，这已经是连续第四次上涨了。

The month-on-month Case-Shiller index of 20 cities increased for the fourth consecutive time in May , by 0.9 % .