“毛边材”概念、定义、翻译-科学时代

单词	毛边材
释义	林业词汇手册毛边材 unedged lumber
随便看	concentration concentration concentration concentration concentration concentration concentration concentration and centralization concentration basin concentration boundary layer concentration camp concentration camp concentration camp concentration campaign concentration cell concentration cell concentration cell concentration cell corrosion concentration criterion concentration distribution concentration distribution concentration effect concentration effect concentration factor concentration factor

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。