| wavelet | |
| compr. | 扰动波; 弱冲波 |
| eng.geol. | 波涟 |
| geophys. | 小 波 |
| hydroel.st. | 弱波 |
| hydroel.st. од. | 小波 |
| space од. | 子波 |
| tech. | 波列; 扰动线 |
|
downgoing : 25 phrases in 6 subjects |
| Drilling | 1 |
| Engineering geology | 1 |
| Geophysics | 2 |
| Oil / petroleum | 19 |
| Technology | 1 |
| United Nations | 1 |