interval scale

基本解释

The health utility value belongs to interval scale of cardinal scales.
健康效用值属于等区间基数刻度。
The values on an interval scale can be added and subtracted, but can not be meaningfully multiplied or divided.
定距尺度的值可以加减，但乘除则没有意义。
Interval - An interval scale is a scale of measurement in which the distance between any two adjacent units of measurement (also known as intervals) is the same, but the zero point is arbitrary.
定距尺度（interval）— 在定距尺度中，任意两个相邻测量单位之间的距离（也称为间距）是相等的，但零点是任意的。

a scale of measurement of data according to which the differences between values can be quantified in absolute but not relative terms and for which any zero is merely arbitrary: for instance, dates are measured on an interval scale since differences can be measured in years, but no sense can be given to a ratio of times &rarrcompareordinal scale ,ratio scale , nominal scale