“upstream”概念、定义、翻译-科学时代

单词	upstream
释义	电子通信与自动控制技术词汇手册 upstream 上行的
随便看	category word category Ⅰ precision approach and landing operation category Ⅱ precision approach and landing operation category ⅢA precision approach and landing operation category ⅢB precision approach and landing operation category ⅢC precision approach and landing operation catena catena catenary catenary catenary catenary catenary curve catenary length catenation catenation closure catenative catenelloid catenin catenoid catenoid caterer cater for catering catering

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。

upstream