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出典:Wiktionary
出典:『Wiktionary』 (2017/04/10 00:40 UTC 版)
Explained as a phonetic rendition of see facts. An earlier electromechanical system was called BEEBFAX: see Beeb and fax.
Ceefax
出典:Wikipedia
出典:『Wikipedia』 (2011/06/30 23:33 UTC 版)
Ceefax (phonetic for "See Facts") is the BBC's teletext information service transmitted via the analogue signal, started in 1974 and running until 2012.