pelagicadj.远洋的
pelagic polychaete浮游多毛类(动)
pelagic slope muds深海坡积软泥
pelagic potychaete浮游多毛类
pelagic animalcule海洋微生动物
pelagic environment远洋环境
pelagical resources中上层资源,远洋资源
pelagic crustaceans浮游甲壳类
pelagic diatom oozes深海硅藻软泥
pelagic ocean community大洋群落
pelagic abyssal sediment远洋深海沉积物