“定类数据”的概念、定义、翻译、参考文献-科学参考

单词	定类数据
释义	定类数据 Encyclopedia 理学数据及数据类型释 nominal data定类数据对事物按照某种特征进行分类，数据表现为类别但不区分顺序的定性数据。又称名义数据。
随便看	sigmoid函数 Sigmund Freud sign signage signage system signal signal accumulation signal acquisition system signal adaptor protein signal alarming device signal alphabet signal amplitude spectrum signal analysis signal analysis and processing technology signal analysis fault diagnosis methods signal analyzers signal background ratio signal-background ratio signal band signal basic operation signal capturing signal cartridge signal chamber signal classification Signal Communications by Orbiting Relay Equipment

科学参考收录了854744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。