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| 阴极射线管显示 | |||
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cathode-ray display : 15 phrases in 8 subjects |
| Agriculture | 1 |
| Air defense | 2 |
| Aviation | 1 |
| Earth sciences | 2 |
| Geophysics | 2 |
| Metallurgy | 2 |
| Oil / petroleum | 1 |
| Technology | 4 |
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