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单词 electrograph
释义

electrograph

/ɪˈlɛktrə(ʊ)ɡrɑːf/ /ɪˈlɛktrəʊɡraf/
noun
1 Meteorology. An instrument for producing a graphical record of variations in the electrical potential gradient in the atmosphere.
2An apparatus for transmitting an image telegraphically; an image so transmitted (also figurative ). Now historical.

Origin

Mid 19th century (in an earlier sense). From electro- + -graph.

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更新时间:2024/11/12 10:27:16