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| |||
| simplex | |||
| single side; unidirectional | |||
| one car | |||
| |||
| half duplex | |||
|
simplex : 71 phrases in 10 subjects |
| Communications | 18 |
| Cultural studies | 1 |
| Earth sciences | 2 |
| Electronics | 2 |
| Health care | 8 |
| Industry | 1 |
| Information technology | 1 |
| Medical | 36 |
| Textile industry | 1 |
| Transport | 1 |