“categorical data”的概念、定义、翻译、参考文献-科学参考

单词	categorical data
释义	categorical data [´kad·ǝ¦gör·i·kǝl `dad·ǝ] ^STATISTICS Data separable into categories that are mutually exclusive, for example, age groups.
随便看	ballast line ballast movement ballast passage ballast pump ballast reactor ballast resistor ballast tank ballast tube ball bearing ball-bearing hinge ball-bearing pulverizer ball bonding ball breaker ball burnishing ball bushing ball catch ball check valve ball clay ball coal ball float ball-float liquid-level meter ball grinder ballhead ball ice Balling hydrometer

科学参考收录了103327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。