ordinal scale A scale in which data are ranked but without units of measurement to indicate the size of differences. So the values used in calculating Spearman's or another rank correlation coefficient are on an ordinal scale.
ordinal scale
数学辞典收录了4151条数学词条，基本涵盖了常用数学知识及数学英语单词词组的翻译及用法，是数学学习的有利工具。