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| 光学的 (こうがくてき) | |||
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| 光学 (kōgaku) | |||
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оптический : 240 phrases in 15 subjects |
| Art | 1 |
| Astronautics | 28 |
| Computers | 4 |
| Construction | 5 |
| Electric machinery | 1 |
| Electronics | 1 |
| General | 13 |
| Magnetics | 1 |
| Microsoft | 2 |
| Physics | 152 |
| Quantum mechanics | 1 |
| Radioengineering | 1 |
| Rail transport | 1 |
| Technology | 27 |
| Telephony | 2 |