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| optic data; optical data | |||
| 光学数据: 43 phrases in 12 subjects |
| Aviation | 6 |
| Computers | 1 |
| Earth sciences | 1 |
| Electronics | 4 |
| General | 1 |
| Information technology | 2 |
| Librarianship | 2 |
| Multimedia | 1 |
| Oil / petroleum | 1 |
| Shipbuilding | 1 |
| Space | 8 |
| Technology | 15 |
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