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| 非正弦的 | |||
| non-sinusoidal: 18 phrases in 7 subjects |
| Aviation | 1 |
| Electric machinery | 4 |
| Hydroelectric power stations | 1 |
| Information technology | 1 |
| Metallurgy | 3 |
| Technology | 7 |
| Telecommunications | 1 |
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