“集管”概念、定义、翻译-科学时代

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。

单词	集管
释义	交通运输工程词汇手册集管 header
随便看	positive check positive checks positive clutch positive column theory of arc positive concept positive concept positive confirmation positive confirmation request positive conjunction positive constitutionalism positive contrast positive contribution Monte Carlo method positive control positive control positive correlation positive correlation positive correlation positive correlation positive correlation positive correlation positive correlation positive crystal positive crystal positive definite positive definite function