腕骨角增大见于下述哪种疾病()
A.骨骺发育异常
B.粘多糖病Ⅳ型
C.软骨骨生成障碍
D.粘多糖病Ⅰ型
E.马德隆畸形
参考答案:A
As a result of heavy rain and mud-rock flow, the highway has been closed up until further _____.[ ]
A. enquiry
B. direction
C. notice
D. message
在罗兰C海图或表中,1μs时差相当于()m距离差。
A.0.3
B.300
C.300000000
D.3000