可产生PML/RARa融合基因的易位核型是()
A.t(6;9)
B.t(8;21)
C.t(9;22)
D.t(15;17)
E.inv(16)
参考答案:D
— Can you make a snowman?
— I ____________ I can. [ ]
A. know
B. think
C. thank
D. find
衡量导线测量精度的指标是()
A、坐标增量闭合差
B、导线全长闭合差
C、导线全长相对闭合差