n.[地]背斜
Anticline and monocline are major trap types. 圈閉類型主要為背斜圈閉及單斜圈閉。
It appears to be a sharp anticline with a strong suggestion of faulting on one side. 它看來(lái)象是在一邊有著明顯的斷層跡象的陡峭的背斜。
