“下纲--底纲”概念、定义、翻译-科学时代

单词	下纲--底纲
释义	水产业词汇手册 foot line 下纲，底纲
随便看	information consulting information consumption information content information content information content hypothesis information content of a photograph information control information conversion information cost information cost information countermeasure information cybernetics information cycle information data information data information database information delivery information demand information density information density information density information department information desk information desk information desk

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。

foot line