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.
科学参考收录了60776条科技类词条,基本涵盖了常见科技类参考文献及英语词汇的翻译,是科学学习和研究的有利工具。