Chainindex 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.
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。
2
Chainindex of overall scores for healthy environment indicators in Beijing during 2001 to 2004 was more than unity, with an annual increase of 8.41 percent.
2004年北京市健康环境状况总评分的时间动态数列环比均大于1，年均递增速度为8.41%。
3
The amount of "vital heat" produced by a specific body was viewed as a direct index of its place in the "great chain of being", a hierarchical order of rank according to degrees of perfection.