底层鱼类的英文

• bottom fish
• demersal fishes

• 底层    ground floor; first floor ba ...
• 鱼类    fish
• 中以底层鱼类    bottom feeders
• 底层鱼类资源量    abundance of ground fishes
• 底层鱼    bottom fish
• 表层鱼类；上层鱼类    surface fishes
• 底层鱼群    bottom fish concentration
• 底楼鱼；底层鱼    bottom fish
• 近底层鱼群    off-bottom fish concentration
• 上层鱼类    epipelagic fishes; pelagic fishes
• 深海层鱼类    bathypelagic fishes
• 中层鱼类    mesopelagic fishes
• 中上层鱼类    pelagic fishes; swimming fishes
• 底层鱼渔获量    bottom fish catch
• 次深海层鱼类    bathypelagic fishes
• 中型上层鱼类    mesopelagic fish
• 中上层鱼类群体    pelagic fish stocks
• 中上层鱼类种群    pelagic fish population
• 中上层鱼类；洄游性鱼类    swimming fishes
• 中上层鱼类资源评估    pelagic fish stock assessment
• 底层    1.(一楼) [英国] ground floor; [美国] first floor2.(地下室) basement3.(社会最低阶层) bottom; the lowest rung 在社会的最底层 at the bottom of society4.undercourse (垫层); base course (基层); subcoat (基础涂层); substratum (基层; 胶层); sublayer (层流底层)
• 鱼类    fish 鲤科鱼类 cyprinid
• 表层鱼    surface fishes
• 上层鱼    epipelagic fish
• 薄层鱼谱    thin-layer chromatography

• Development of land . local marine fisheries production has also declined as has the number of commercially valuable demersal inshore fish species
  本地渔产有所缩减，港内具商业价值而又珍贵的深海底层鱼类的数目亦随之下降。