“族索索引”概念、定义、翻译-科学时代

单词	族索索引
释义	图书馆、情报与文献学词汇手册族索索引 hierarchical index
随便看	service telephone service test service time service time service topic service to reader service tower service track service trade service tree service type service valve service visa service voltage service-wide servicewoman service works service zone service zone service　售后服务 servicing servicing servicing servicing a debt servicing product

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。