 |
| |||
| alternating magnetic fields | |||
| alternation magnetic field | |||
| alternating magnetic field | |||
| alternating field | |||
| variation magnetic field | |||
| 交变磁场: 10 phrases in 8 subjects |
| Earth sciences | 1 |
| Electric machinery | 2 |
| Electronics | 1 |
| General | 1 |
| Metallurgy | 1 |
| Oil / petroleum | 1 |
| Rail transport | 1 |
| Technology | 2 |