 |
| |||
| either-way communication; half-duplex | |||
| HD | |||
| half-duplex transmission | |||
| half duplex; half duplex transmission | |||
| полудуплексная передача: 10 phrases in 9 subjects |
| Astronautics | 1 |
| Automated equipment | 1 |
| Computer networks | 1 |
| Computers | 1 |
| Mass media | 1 |
| Military | 1 |
| Security systems | 1 |
| Technology | 1 |
| Telecommunications | 2 |