The average recoveries of the added sample were 99.5% with RSD=0.67(n=5) for paracetamol and 99.4% with RSD=0.58(n=5) for caffeine.是什么意思_The average recoveries of the added sample were 99.5% with RSD=0.67(n=5) for paracetamol and 99.4% with RSD=0.58(n=5) for caffeine.在线翻译_英语_读音_用法_例句