- estuarine foraminiferan
- 河口有孔虫
Medical Chinese dictionary (湘雅医学词典). 2013.
Medical Chinese dictionary (湘雅医学词典). 2013.
Devonian Period — Interval of geologic time from 417 to 354 million years ago; it was the fourth period of the Paleozoic Era. During the Devonian, a giant continent was situated in the Southern Hemisphere (see Gondwana), and other landmasses were located in the… … Universalium
marine ecosystem — Introduction complex of living organisms in the ocean environment. Marine waters cover two thirds of the surface of the Earth. In some places the ocean is deeper than Mount Everest is high; for example, the Mariana Trench and the… … Universalium