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| струм синусоїдальний | |||
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harmonic : 49 phrases in 15 subjects |
| Aerodynamics | 1 |
| Aviation | 1 |
| Chemistry | 6 |
| Communications | 2 |
| Construction | 1 |
| General | 2 |
| Information technology | 14 |
| Mathematics | 7 |
| Metallurgy | 1 |
| Military | 1 |
| Oil and gas | 5 |
| Physics | 1 |
| Road construction | 1 |
| Scientific | 1 |
| Technology | 5 |