“activity file”的概念、定义、翻译、参考文献-科学参考

单词	activity file
释义	activity file 活动文件
随便看	round church round(circular)hole round clamp round column round comber round concave molding round concrete bar round conductor round console type writer round copper bar round core wire round cornering machine round corner square billet round counter round cross section gasket round cutter tool holder round cylinder bur round die round die (滚制螺纹用) round dome round down round down-draft kiln round downpipe round drill rod round eaves-tile ornament

科学参考收录了1248194条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。