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frequency transfer : 12 phrases in 10 subjects |
| Aviation | 2 |
| Computers | 1 |
| Electronics | 1 |
| Medical | 1 |
| Military | 1 |
| Optics branch of physics | 1 |
| Quantum electronics | 1 |
| Radio | 1 |
| Technology | 2 |
| Welding | 1 |
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