“符号索引”概念、定义、翻译-科学时代

单词	符号索引
释义	图书馆、情报与文献学词汇手册符号索引 index of symbols；notation index
随便看	back view back view back view back view back view back view mirror back volume back vowel backwall back wall back wall backwall injection back-wall photovoltaic cell backward backward algorithm backward anaphora backward association backward association backwardation backwardation backwardation backwardation backward-bending supply curve backward branch backward build-up

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。