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| bidirectional communication; two-way communication (автоматика; в диалоговом режиме) | |||
| duplex operation | |||
| two-way communications; intercommunications; talk back communication | |||
| two-way traffic | |||
| intercom | |||
| two-way communication (одновременная передача информации между двумя радиостанциями) | |||
| positive communication (masizonenko) | |||
| intercommunication | |||
| two-way communication; bilateral two-sided constraint; two-sided constraint | |||
| QSO (a conversation kotechek) | |||
| bidirectional coupling; either way communication | |||
| bilateral constraint; talkback (оперативная); double-way connection; duplex | |||
| bidirectional communications | |||
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| duplex communication | |||
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| two-way communication (Киселев) | |||
| двусторонняя связь: 122 фрази в 30 тематиках |