index number

n. （物价、人口等之）指数

同：	[n.] index, indicant, indicator

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.
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。收藏
The index number reflects the current actual development level of the analytical item.
趋势指数反映了所分析的项目目前的实际发展水平。收藏
The trend index in Exhibit 12-4 shows that each item has increased steadily during the last three years, the number in 1995 decreased dramatically.
表12-4中的趋势指数显示,表中的每个项目在过去的3年里都在稳步增长而1995年则有较大幅度的下降。收藏

a number or ratio (a value on a scale of measurement) derived from a series of observed facts; can reveal relative changes as a function of time
[同] index, index number, indicant, indicator

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