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| couple of numbers; number pair | |||
| pair of numbers; two-digit pair; number couples; 2-tuple | |||
| пара чисел: 32 phrases in 13 subjects |
| Antennas and waveguides | 2 |
| Chess | 1 |
| Economy | 1 |
| Electronics | 5 |
| Information security and data protection | 1 |
| Mass media | 5 |
| Mathematics | 8 |
| Mechanics | 2 |
| Metrology | 1 |
| Programming | 1 |
| Rail transport | 1 |
| Technology | 2 |
| Zoology | 2 |
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