Tertiary System

• 第三系

Tertiary System的用法和样例：

例句

1. The main interval with oil &gas showing in the well is a tertiary formation.
   本井的主要油气显示段在第三系。
2. A model for the Lower Tertiary framework and sequence system tract of Jiyang subbasin was established with the high_resolution sequence stratigraphy.
   建立了济阳坳陷下第三系高精度层序地层格架和层序体系域的构成模式。