“international patent classification（IPC）”概念、定义、翻译-科学时代

单词	international patent classification（IPC）
释义	图书馆、情报与文献学词汇手册 international patent classification（IPC）国际专利分类法
随便看	marginal range marginal rate of product transformation marginal rate of substitution marginal rate of substitution marginal rate of substitution marginal rate of substitution--marginal rate of substitution (MRS) marginal rate of substitution (MRS) marginal rate of substitution (MRS) marginal rate of tax marginal rate of technical substitution marginal rate of technical substitution (MRTS) marginal rate of transformation marginal ray marginal relay marginal relay marginal relief marginal rent marginal return marginal return marginal return marginal return marginal return marginal revenue marginal revenue marginal revenue

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。