“回声反射”的概念、定义、翻译、参考文献-科学参考

单词	回声反射
释义	回声反射 reecho
随便看	Sedum yunnanense see see bacteriology Seebeck coefficient Seebeck effect Seebeck electromotive force see beet see clearly seed seed age seed agitator seed amelioration seed-and-fertilizer unit seed and seedling rot of rice seed atom seed attachment seed ball seedball seed ball (马铃薯的) seed barrow seed bearer seed bearing seed bed seedbed seedbed frame

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。