stratigrapie unit

• 地层单位

stratigrapie unit的用法和样例：

例句

1. Compared to supersequence boundaries, the depositional hiatus at sequence boundaries is shorter and sequence boundaries are not compatible with lithostratigraphic unit boundaries.
   沉积层序界面处沉积间断的时间相对超层序界面要短，与岩石地层单位界面往往不一致。