four-frequency diplex communication
... four-frequency diplex 四频双工制 four-frequency diplex communication 四频同向双工通信 four-frequency diplex system 四频率同向双工制 ...
基于10个网页-相关网页
frequency diplex communication
... 半双工通信线路 duplex communication line 四频同向双工通信 frequency diplex communication 双工通信 双路通信 duplexcommunication ...
基于8个网页-相关网页
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