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phototelegraphy meaning in Chinese

传真电报术,光学电报
电传真;传真电报学
利用日光反射的闪光等的光通讯
相片电报技术

Related Words

  1. phototelegraphy apparatus
  2. phototelegraphic apparatus
  3. phototelegraphic receiver
  4. phototelegraphy apparatus
  5. phototelephone
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