sea floor exploration的意思|示意

While the sea floor 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。

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.

可控源时间域电磁法应用在海底探测，需要确定装置参数，通过实验和理论计算确定了发射频率的最大值；