“hierarchical service system”概念、定义、翻译-科学时代

单词	hierarchical service system
释义	信息与系统科学词汇手册 hierarchical service system 分级服务系统
随便看	no class distinctions in education NOC (network operation center) NOC (network operations centre) NOC--NOC (network operations centre) no -confidence motion no -conflict game no connection（NC） no-contest clause no contrast no-core reactor no correlation no counterpart no credit noctalbuminuria noctambulism noctiflorous noctiluca noctilucence noctilucent cloud noctilucent cloud noctilucent train noctiphobia noctovision noctovisor Noctuidae

科学时代收录了1160609条科普词条，基本涵盖了常见科普常识及英语词汇的翻译，是科学学习和研究的有利工具。