“目录关系”概念、定义、翻译-科学时代

单词	目录关系
释义	图书馆、情报与文献学词汇手册目录关系 catalogue relation
随便看	unit price unit price unit-price contract unit price contract unit pricing unit pricing unit pricing unit pricing unit process unit process in chemical synthesis unit product cost unit production cost unit profit unit pulse unit pulse unit pulse response unit pump unit purchase cost unit quantity of feeding unit record unit record machine unit record machine unit rent unit representation unit resistance

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。