“echo frequency”的概念、定义、翻译、参考文献-科学参考

单词	echo frequency
释义	echo frequency 回波频率
随便看	shunt-wound shunt wound shunt-wound arc lamp shunt-wound exciter shunt-wound motor shut shut-down shutdown shut down shut-down amplifier shut-down (breakdown) mainteance shut-down channel shut down circuit shut-down circuit shutdown cooler shutdown cooling pump shutdown cost shut-down device shutdown device shutdown expenses shutdown feature shutdown handle shutdown heat shut-down hydraulic pilot valve shutdown inspection

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。