frequency division
| multiple access
| frequency division abbr. | |
| telecom. | تقسيم ترددي |
| multiple access abbr. | |
| sat.comm. | منفذ متعدّد |
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| تقسيم ترددي | |||
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frequency division : 5 phrases in 4 subjects |
| Power lines | 1 |
| Satellite communications | 1 |
| Telecommunications | 2 |
| Telegraphy | 1 |