seismic reflection | |
bridg.constr. | 地震反射 |
method | |
gen. | 法; 标准; 水平 |
environ. | 方法 |
hydroel.st. од. | 方法 |
mech. | 电火花法 |
| |||
地震反射 | |||
地震波反射 |
seismic reflection : 56 phrases in 10 subjects |
Construction | 1 |
Desert science | 1 |
Earth sciences | 7 |
Engineering geology | 2 |
Explosives and Explosive Ordnance Disposal | 5 |
Geophysics | 3 |
Hydroelectric power stations | 1 |
Oil / petroleum | 14 |
Technology | 17 |
United Nations | 5 |