でんきつうしん
電気通信
1. telecommunications
2. TelecommunicationTelecommunication is the transmission of information over significant distances to communicate. In earlier times, telecommunications involved the use of visual signals, such as beacons, smoke signals, semaphore telegraphs, signal flags, and optical heliographs, or audio messages such as coded drumbeats, lung-blown horns, and loud whistles.
Read “Telecommunication” on English Wikipedia
Read “電気通信” on Japanese Wikipedia
Read “Telecommunication” on DBpedia
Read “Telecommunication” on English Wikipedia
Read “電気通信” on Japanese Wikipedia
Read “Telecommunication” on DBpedia
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