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| heterodyne | |||
| 致差: 25 phrases in 10 subjects |
| Automobiles | 1 |
| Earth sciences | 2 |
| Electronics | 4 |
| General | 4 |
| Hydroelectric power stations | 1 |
| Metallurgy | 1 |
| Oil / petroleum | 1 |
| Project management | 1 |
| Space | 1 |
| Technology | 9 |
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