While the seafloor has had significant study, he points out little exploration has been done on this water above the deep floor.
他指出尽管对海床有丰富的研究，但针对海床上的水却甚少探索。
2
For a sea-floor transient electromagnetic exploration system, its maximum transmitting frequency may be chosen as 200 Hz by supposing the sea-floor as horizontal thin conductive plates.