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单词 θ197960
释义
society > communication > telecommunication > telegraphy or telephony > telegraphy > telegraph > [noun] > types of > radio-telegraphs > parts of or other wireless telegraphy equipment (2)
wave-detector1905

an instrument designed to detect very feeble electric waves in wireless telegraphy.

cymoscope1906

A wave-detecting device used in wireless telegraphy; any device that serves as a detector of electromagnetic waves.

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更新时间:2025/2/28 20:07:27