| risk evaluation |
風險評量 |
| risk policy |
風險策略 |
| risk profile |
組織風險圖像 |
| River Elevator |
河邊穀倉 |
| River fish culture |
河道養魚 |
| river regulation |
整流工程 |
| river regulation, stream regulation |
整流工程 |
| road ecology |
道路生態學 |
| roadkill |
路殺 |
| Rock falling prevention protection forest |
墜石防止保安林 |
| rock fill dam |
堆石壩 |
| rock porgy / spotted knifejaw (Oplegnathus punctatus) |
斑石鯛、石鯛、斑鯛、黑嘴、硬殼仔 |
| rock quality designation |
岩石品質指標 |
| rock-sandy coastal vegetation |
砂礫灘海岸植生群落 |
| Rogadius asper (Cuvier & Valenciennes) |
松葉牛尾魚 |
| roll gabion revetment |
蛇籠護岸 |
| Rolled barley |
麥片 |
| Rolled grain sorghum |
壓片高梁 |
| Rolling |
揉捻 |
| Rondeletia loricata Abe & Hotta |
紅口仿鯨 |