- 《英文msh詞典》Text Telecommunication Devices
- [入口詞] Text Telecommunication Devices
- [主題詞] Communication Aids for Disabled
- [英文釋義] Equipment that provides mentally or physically disabled persons,who cannot speak effectively,with a means of communication. The aids include display boards,typewriters,cathode ray tubes,computers,and speech synthesizers. The output of such aids includes written words,artificial speech,language signs,Morse code,and pictures.
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