略語大辞典 [C] 22 dTTb digital Terrestrial Television broadcasting (ヨーロッパの)ディジタル陸上テレビ放送.digital Terrestrial Television broadcasting; ref. OFDM(orthogonal frequency division multiplexing); ref. ISDB(integrated services digital broadcasting); (EC); [C:E]. 丸善「略語大辞典」JLogosID : 11872653