白细胞减少症是指外周血中白细胞计数持续()
A.<5×109/L
B.<4×109/L
C.<3×109/L
D.<2×109/L
E.<1×109/L
参考答案:B
—There is ____ with my watch, so I don’t know the time.
—Let me have a look.
A. something wrong B. anything wrong C. wrong something
诺西eBSC的UPM模块的冗余方式是:()
A、1:1
B、1+1
C、n+1
D、无备份