“unordered pair”的概念、定义、翻译、参考文献-科学参考

单词	unordered pair
释义	unordered pair 无序对
随便看	working day working deck working dedendum working depth working depth of tooth working diameter working diamond working directory working distance working distance of microscope working district working district boundary working dog working draft working drawing working drawing estimate working durability working edge working electrode working engagement working equations working equipment working expenditure working expenditure cost of operation (management) working expense

科学参考收录了1248194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。