 |
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| Zeitgeber m | |||
| time generator: 27 phrases in 11 subjects |
| Communications | 3 |
| Computers | 6 |
| Earth sciences | 1 |
| Electronics | 1 |
| Information technology | 2 |
| Measuring instruments | 6 |
| Mechanic engineering | 1 |
| Physics | 1 |
| Technology | 4 |
| Telecommunications | 1 |
| Радиоактивное излучение | 1 |