 |
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| duplexöverföring | |||
| duplex | |||
| manöversystem med väljare för två hissar | |||
| dubbelriktad | |||
| duplex: 61 phrases in 13 subjects |
| Communications | 26 |
| Cultural studies | 1 |
| Earth sciences | 1 |
| Electronics | 6 |
| Information technology | 9 |
| Materials science | 3 |
| Mechanic engineering | 2 |
| Medical | 2 |
| Metallurgy | 1 |
| Microsoft | 1 |
| Statistics | 1 |
| Technology | 1 |
| Telegraphy | 7 |