 |
| |||
| período | |||
| intervalo de tempo | |||
| ranhura temporal | |||
| fenda temporal | |||
| intervallo di tempo: 48 phrases in 12 subjects |
| Communications | 12 |
| Electronics | 15 |
| General | 2 |
| Information technology | 4 |
| Metallurgy | 2 |
| Nuclear physics | 1 |
| Power lines | 5 |
| Power system protection | 1 |
| Technology | 2 |
| Telecommunications | 1 |
| Telegraphy | 1 |
| Transport | 2 |