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| 波长常数 | |||
| 波常数 | |||
| wave constant: 19 phrases in 10 subjects |
| Air defense | 2 |
| Earth sciences | 1 |
| Geophysics | 1 |
| Gymnastics | 1 |
| Metallurgy | 3 |
| Oil / petroleum | 1 |
| Radio | 1 |
| Shipbuilding | 1 |
| Space | 4 |
| Technology | 4 |
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