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消色差 镜 : 50 phrases in 9 subjects |
| Agriculture | 6 |
| Astronomy | 1 |
| General | 4 |
| Metallurgy | 6 |
| Oil / petroleum | 1 |
| Remote sensing | 3 |
| Space | 5 |
| Technology | 22 |
| Telecommunications | 2 |
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