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objects (en) > تجهیزات > ultrasonic devices (en)

Preferred term

ultrasonic devices (en)  

Definition

  • Information Ultrasonic devices are devices that use ultrasound, which is sound with frequencies greater than 20 kilohertz.

    Created: 7/21/25

    (en)

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URI

http://aims.fao.org/aos/agrovoc/c_09ec32c4

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RDF/XML TURTLE JSON-LD Created 9/4/19, last modified 7/21/25