marine transgression

• 海侵

marine transgression的用法和样例：

例句

1. The areas of transgression are indicated by wide spacing of the thickness contours.
   稀疏的等厚线代表海侵区。
2. Inland foraminifer fossils are considered as one of good indicators of marine facies.
   内陆有孔虫化石群被一些学者视为是海侵或残留海的指相化石。
3. The concepts of marine transgression and regression are considered to be fundamental.
   海进和海退概念被认为是基本的概念。