scope note
| - 用於遠距離通訊之系統,通常包含個別通訊網路、傳信系統、中繼站、附屬站、數據終端設備及其他傳播資訊相關設施;電話、電報、廣播、電視、光學通訊、網際網路等設施皆屬此系統。 (zh-hant)
- Systems for communicating at a distance, often a collection of individual communications networks, transmission systems, relay stations, subsidiary stations, data terminal equipment, and other facilities for disseminating information. Examples include telephone, telegraph, radio, television, optical communications, internet, etc. (en)
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