| |||
| 水平梯度 | |||
|
horizontal gradient : 22 phrases in 9 subjects |
| Drilling | 1 |
| Earth sciences | 1 |
| Electronics | 2 |
| Engineering geology | 2 |
| Geophysics | 1 |
| Oil / petroleum | 2 |
| Scientific | 1 |
| Space | 1 |
| Technology | 11 |
| |||
| 水平梯度 | |||
|
horizontal gradient : 22 phrases in 9 subjects |
| Drilling | 1 |
| Earth sciences | 1 |
| Electronics | 2 |
| Engineering geology | 2 |
| Geophysics | 1 |
| Oil / petroleum | 2 |
| Scientific | 1 |
| Space | 1 |
| Technology | 11 |