地垒
参考答案:
两条或两组大致平行的断层,其中间岩块为共同的上升盘,其两侧为下降盘,这样的断层组合。
—______ Mary ______ Alice has joined the music club because they have no time.
— It’s a pity!
A. Both; and B. Not only; but also C. Neither; nor
拟建正常排放ρ≈1,污染物质一阶衰减系数k=0,则下游混合均匀断面的平均浓度,应优先选用()
A.一维
B.二维
C.三维
D.零维