The contentsof the three components were determined by absorption values messured at 6 dif-ferent wavelengths. The average recoveries for aminopyrin, phenacetin and caffeinewere 99.3%, 99.3% and 99.1%, respectively.是什么意思_The contentsof the three components were determined by absorption values messured at 6 dif-ferent wavelengths. The average recoveries for aminopyrin, phenacetin and caffeinewere 99.3%, 99.3% and 99.1%, respectively.在线翻译_英语_读音_用法_例句