对显示骨髓病变较敏感的MRI扫描序列为()
A.SET1WI
B.FET2*WI
C.STIR
D.FSEPDWI
E.MRI增强检查
参考答案:A, C, E
Who was called " China's first astronaut"?[ ]
A. Yao Ming
B. Yang Liwei
C. Yuan Longping
D. Zhan Tianyou
线路爬行量超过()时,应对轨缝进行调整。
A.15mm
B.18mm
C.20mm
D.25mm