So, all above mentioned makes it necessary to study the truth-preserving sampling technique for the deep-seasurfacelayer sediments.
这些问题的提出就使得深海海底表层沉积物的保真取样技术研究非常有必要。
2
The Arctic mammals, known as "sea unicorns" thanks to their single long tusks, also transmitted measurements for the winter layer of surface water that shields sea ice from the warmer waters below.