phonautograph

phonautograph 的中文释义

• [物]声波记振仪, 声波振动记录[图表]

phonautograph 的英文释义

• n.

  An instrument by means of which a sound can be made

• to produce a visible trace or record of itself. It consists essentially

• of a resonant vessel, usually of paraboloidal form, closed at one end

• by a flexible membrane. A stylus attached to some point of the membrane

• records the movements of the latter, as it vibrates, upon a moving

• cylinder or plate.

phonautograph 的词形变化

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相关单词