Objective:To investigate the feasibility of quantitative evaluation for normal renal perfusion using self made perfluorocarbon ultrasound contrast agent and acoustic densitometry(AD)technique.是什么意思_Objective:To investigate the feasibility of quantitative evaluation for normal renal perfusion using self made perfluorocarbon ultrasound contrast agent and acoustic densitometry(AD)technique.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句