1.
In some, a destructive fishing practice called bottom trawling, which scours life from the ocean floor, is permitted.
有些地区对海洋底层生物掠夺性捕捞的破坏性底层拖网式捕捞事实上是允许的。
2.
The ground or lowermost surface, as of a forest or an ocean.
底底层或最低层，如森林或海洋的最底层
3.
Plankton is at the bottom of the marine food chain.
浮游生物处于海洋食物链的最底层。
4.
Numerical simulation of marine controlled-source electromagnetic(MCSEM)response to 2-D seabed formation
二维海底地层可控源海洋电磁响应的数值模拟
5.
Lead Isotope Compositions of Seafloor Surface Hydrothermal Sediments in the TAG Hydrothermal Field of Mid Atlantic Ridge and its Geological Implications
大西洋洋中脊海底表层热液沉积物的铅同位素组成及其地质意义
6.
The Distribution of N_2O in Surface Seawater and Lower Atmosphere and Their Air-Sea Flux in the Southern Ocean;
南大洋表层海洋和底层大气中N_2O的分布特征及其海气交换通量研究
7.
creatures that populate the ocean depths.
生活于大洋洋底的生物
8.
"Long-Bodied food fish (Brosme Brosme) of the cod family, found along the bottom of deep offshore waters on either side of the North Atlantic Ocean."
鳕科长体形的食用鱼,学名为Brosme Brosme,产于北大西洋两岸深海底层。
9.
DISTRIBUTION OF BENTHIC FORAMINIFERA AND ITS BEARING ON MARINE ENVIRONMENTAL FACTORS IN THE NORTH YELLOW SEA SURFACE SEDIMENTS
北黄海表层沉积物中的底栖有孔虫分布与海洋环境
10.
Three-dimensional numerical modeling of marine controlled-source electromagnetic responses in a layered anisotropic seabed using integral equation method
各向异性海底地层海洋可控源电磁响应三维积分方程法数值模拟
11.
double bottom forward
首部双层底前部双层底
12.
pricking up
抹灰底层, 括糙层
13.
The floor of a body of water, especially the sea.
底，海底水体，尤其是海洋的底部
14.
the ocean, forest, valley, cave floor
海洋的底、 森林的地面、 谷底、 洞底.
15.
Bottom of Ground Floor;
底层之底——近年来底层、底层文学研究综述
16.
A doll is under the bed.
一个洋娃娃在床底下。
17.
marine benthos laboratory
海洋底栖生物实验室
18.
Hydrographers explore the bed of the ocean.
水道学家勘探海洋底。