“hierarchical index”概念、定义、翻译-科学时代

单词	hierarchical index
释义	图书馆、情报与文献学词汇手册 hierarchical index 词族索引，等级索引，族索索引
随便看	core drilling core drilling core drying stove cored steel core economy core employee management core engine core engineering core enzyme core enzyme coreference coreference coreferentiality core field core firm core flood tank core fracture core fracture core fuel inventory core glass coregonin core grade core grade method core grammar core grid

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。