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| 相电波 | |||
| 相波 | |||
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phase wave : 51 phrases in 13 subjects |
| Agriculture | 1 |
| Air defense | 3 |
| Aviation | 2 |
| Computer numerical control | 1 |
| Electric machinery | 3 |
| Electricity | 4 |
| Electronics | 11 |
| Geophysics | 1 |
| Oil / petroleum | 3 |
| Plastics | 1 |
| Space | 3 |
| Technology | 17 |
| Wind Energy | 1 |
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