marine media的意思|示意

The U. S. Navy kept its Marine Mammal Program a secret until the 1990s, and this spring CNN became one of only a handful of media outlets to see firsthand how the program works.

美国海军一直保持这个秘密项目至90年代，在今年春季CNN才成为少数几个有机会一睹该项目运作方式的媒体。

In this paper, the Marine sediment is regarded as a wet granular media.

本文将海底沉积物视为一种紧密的湿颗粒介质。