variable-density
| seismic
| screen display
| variable density | |
| geophys. | 变密度 |
| oil | 变密度 |
| seismic | |
| gen. | 地震引起的; 地震 的; 与地震有关的 |
| agric. | 震动的; 地震的 |
| ecol. | 地震 的 |
| econ. | 地震的 |
| hydroel.st. | 地震现象 |
| oil | 地震仪 |
| screen display | |
| wind. | 屏幕显示 |
| |||
| 变密度 | |||
| 可变密度 | |||
| |||
| 变密度记录剖面 | |||
|
variable-density : 45 phrases in 8 subjects |
| Aviation | 2 |
| Construction | 3 |
| Geophysics | 12 |
| Oil / petroleum | 5 |
| Space | 2 |
| Technology | 19 |
| Television | 1 |
| Wind Energy | 1 |