“服务类别”的概念、定义、翻译、参考文献-科学参考

单词	服务类别
释义	服务类别 class of service (COS)
随便看	Elcolloy Elcolor elcometer Elconite elcoplasty elcosis elctric mechanical counter Elder elderly primipara elderly primiparity eldisine Eldred's wire elecric instrument testing device elect electic conducting glass fibre election elective elective culture elective genesis elective mutism electone electonegative element electoral wool Electorn metal electra

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。