英语语法分析

There were mainly neritic shelf and bathyal filling sedimentation in the Pliocene and Quaternary.

上新世和第四纪主要为浅海陆架及半深海充填沉积。

The bathyal - abyssal facies , littoral facies , neritic facies and delta facies are beneficial to and gas exploration.

半深海- 深海相区、 滨浅海相区和三角洲相区是较为有利的油气分布区。

The bathyal zone is the dimly lit middle zone, which because it has little sunlight does not contain photosynthesizing producers.

半深海区是微暗发亮的中央地域，因为它没有进行光合作用生产者。