“可见卡片索引”概念、定义、翻译-科学时代

单词	可见卡片索引
释义	图书馆、情报与文献学词汇手册可见卡片索引 visible card index
随便看	water-sealed gland water-sealed joint water sealed safety valve water seal gland water-seal installation water seal tank water section water seepage Water-Separating Powder water separator water separator watershed watershed watershed watershed watershed watershed watershed watershed water shed watershed watershed watershed area watershed ecosystem watershed ecosystem

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。