The things that can be said about an object. In Aristotle they come in four families: definition, genus, proprium, and accident. In scholastic thought they come in five: genus, species, differentia, proprium, and accident.
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。