单词	sonometer
释义	sonometer /səˈnɒmɪtə / noun Another term for monochord.The differential sonometer was invented by the French acoustical apparatus manufacturer, Marloye, ca. 1840.... The two sonometers were disposed in planes forming 90 degrees with the vacuum cleaner. They are looking for a sonometer for automatic interaction with an automatic pager, to implement dynamical noise maps automatically.
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