“perceived noise decibel”的概念、定义、翻译、参考文献-科学参考

单词	perceived noise decibel
释义	perceived noise decibel [pǝr`sēvd ¦nȯiz `des·ǝ´bel] ^ACOUSTICS A unit of perceived noise level. Abbreviated PNdB.
随便看	para-tolylsulfonylmethylnitrosamide para toner paratonic movement paratrachoma paratrichosis paratroch paratroops paratuberculosis paratype paratyphoid fever parauterine organ parautochthonous paravane paravauxite parawollastonite paraxial paraxial rays paraxial trajectory paraxonic para-xylene Parazoa parcel method parchment parchment paper paregoric

科学参考收录了103327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。