| Ocean engineering |
海洋工程 |
| Ocean exploitation |
海洋開發 |
| Ocean floor topography |
海底地形 |
| Ocean law |
海洋法 |
| Ocean sunfish |
翻車魨 |
| ocean sunfishes / molas (Molidae) |
翻車魨科、翻車魚、蜇魴、蜇魚、海蟲、曼波魚 |
| Ocean wave |
海浪 |
| Oceandromous migration |
海洋回游 |
| oceanic anchovy / blue anchovy / gold anchovy / Asian clam (Encrasicholina punctifer / E. heteroloba) |
魩仔、刺公鯷、異葉公鯷 |
| Oceanic bonito |
花鰹 |
| Oceanic condition |
海況 |
| Oceanic environment |
海洋環境 |
| oceanic islands |
海洋島 |
| Oceanographic hydrographical elements |
海洋水文要素 |
| Oceanographic investigation |
海洋調查 |
| Oceanographic survey |
海洋調查 |
| Oceanography |
海洋學 |
| Ocosia fasciata Matsubara |
裸帶絨 |
| Ocosia spinosa L.Chen |
裸棘絨 |
| Ocosia vespa Jordan & Starks |
裸絨 |
