Hypoplastic P 1 segment and unrevealed P 1 segment of the posterior cerebral artery were respectively found in 12.87% (43/334) and 1.20% (4/334).是什么意思_Hypoplastic P 1 segment and unrevealed P 1 segment of the posterior cerebral artery were respectively found in 12.87% (43/334) and 1.20% (4/334).在线翻译_英语_读音_用法_例句