| |||
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 |