| |||
| 极性反转 | |||
|
polarity reverse : 16 phrases in 10 subjects |
| Automobiles | 1 |
| Electronics | 2 |
| General | 1 |
| Geophysics | 2 |
| Mining | 1 |
| Oil / petroleum | 1 |
| Physics | 1 |
| Power system protection | 1 |
| Space | 1 |
| Technology | 5 |
| |||
| 极性反转 | |||
|
polarity reverse : 16 phrases in 10 subjects |
| Automobiles | 1 |
| Electronics | 2 |
| General | 1 |
| Geophysics | 2 |
| Mining | 1 |
| Oil / petroleum | 1 |
| Physics | 1 |
| Power system protection | 1 |
| Space | 1 |
| Technology | 5 |