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permanent magnetism |
恒磁: 38 phrases in 14 subjects |
Agriculture | 1 |
Air defense | 1 |
Automobiles | 1 |
Aviation | 1 |
Electric machinery | 5 |
Electronics | 6 |
General | 3 |
Geophysics | 1 |
Information technology | 2 |
Metallurgy | 6 |
Oil / petroleum | 1 |
Space | 1 |
Technology | 8 |
Wind Energy | 1 |