The average period of following-up was 3.2 years,fusion rate of groups A,B,C and D were 82.1%,96.3%,95.6% and 95.4% respectively.是什么意思_The average period of following-up was 3.2 years,fusion rate of groups A,B,C and D were 82.1%,96.3%,95.6% and 95.4% respectively.在线翻译_英语_读音_用法_例句