sonic depth
| finding
| instrument
| sonic depth | |
| shipb. | 回声测深 |
| finding | |
| gen. | 发现 |
| dril. | 选择; 找到 |
| econ. | 搜索; 寻找 |
| tech. | 寻线; 查找 |
| telecom. | 査找; 探测; 定位 |
| instrument | |
| gen. | 乐器 |
| hydroel.st. | 仪表 |
| interntl.trade. | 票据; 证券; 文件; 契约 |
| met. | 装置 |
| tech. | 工具 |
| tech. од. | 器械; 仪器 |
| |||
| 回声测深 | |||
|
sonic depth : 22 phrases in 8 subjects |
| Engineering geology | 1 |
| Fish farming pisciculture | 1 |
| Geophysics | 1 |
| Mining | 2 |
| Oceanography & oceanology | 1 |
| Oil / petroleum | 4 |
| Surveying | 1 |
| Technology | 11 |