英语词汇P. p. a是什么意思，P. p. a的用法、释义、翻译、读音、例句、短语词组-英汉汉英翻译词典

英汉汉英翻译词典包含1679246条英汉翻译词条，基本涵盖了全部常用英语单词及常用语的翻译及用法，是英语学习及翻译工作的有利工具。

单词	P. p. a
释义	P. p. a　【医】先摇瓶
随便看	spectral photographic plate spectral photometer spectral pure reagent spectral purity spectral purity of a colour spectral pyrometer spectral radiance spectral radiance factor spectral radiance measurement spectral radiancefactor spectral radiant emittance spectral radiant energy spectral radiant flux spectral radiant intensity spectral radiant power spectral radiosity spectral radius spectral reflectance spectral reflection spectral reflection factor spectral reflectivity spectral region spectral representation spectral resolution spectral response