“sound concentrator”的概念、定义、翻译、参考文献-科学参考

单词	sound concentrator
释义	sound concentrator Physics sound concentrator声聚焦器，聚声器
随便看	narrow band narrow-band filter narrow bandgap semiconductors narrow band imaging endoscopy narrow band light narrow-band light narrow-band magnitude narrow band monochrome photography narrow band noise narrow-band photometer narrow-band photometry narrow-band radar scanner narrow-band radar signal narrow band semiconductor narrow-band semiconductor narrowband signal narrow-band width narrow-beam radiation narrow body aircraft narrow channel effect narrow class narrow convergence narrow currency growth narrow-external focus narrow fabric weaving

科学参考收录了854744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。