岩溶水的运动特征
参考答案:
1.层流与紊流并存。
2.承压流与无压流并存。
3.统一水流与孤立水流并存。
4.明流与伏流并存。
5.双重介质间双向流的特征。
It is reported that the death number ______careless and drunk driving is on the increase in recent
years. [ ]
A. resulted in
B. resulted from
C. resulting in
D. resulting from
核医学治疗中所用放射药物,主要利用其放出射线是()
A.α线
B.β-线
C.β+线
D.γ线
E.康普顿电子射线