seismic refraction
| method
| seismic refraction | |
| bridg.constr. | 地震折射 |
| geophys. | 地震折射 |
| method | |
| gen. | 法; 标准; 水平 |
| environ. | 方法 |
| hydroel.st. од. | 方法 |
| mech. | 电火花法 |
| |||
| 地震折射 | |||
| 震波折射 | |||
| |||
| 地震折射勘探 | |||
|
seismic refraction : 24 phrases in 7 subjects |
| Earth sciences | 1 |
| Engineering geology | 2 |
| Explosives and Explosive Ordnance Disposal | 5 |
| Hydroelectric power stations | 1 |
| Oil / petroleum | 3 |
| Technology | 10 |
| United Nations | 2 |