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单词 ultrasonic
释义

ultrasonic

/ʌltrəˈsɒnɪk /
adjective
Of or involving sound waves with a frequency above the upper limit of human hearing.The team bombarded this liquid with sound waves tuned to ultrasonic frequencies that caused wide variations in pressure in the fluid....
  • She successfully destroyed two dozen hostile ghosts with ultrasonic sound waves and laser grids.
  • Others, like the tiger moth, hear the bat and emit a jamming signal in the ultrasonic frequency spectrum.

Derivatives

ultrasonically

/ˌʌltrəˈsɒnɪk(ə)li/ adverb ...
  • Instead, switches consisting of vials of water in which standing waves were excited ultrasonically were placed in the paths of the photons 1 and 2.
  • The carbide/glass probe tip is ultrasonically actuated; measurement data are obtained by calculating the waveform changes that result from contact between the probe and the walls of the hole.
  • The sample mounts were ultrasonically cleaned, dried, and coated with 250 Angstroms of carbon under a vacuum of 1 x [10.sup.5] tort.

Rhymes

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更新时间:2025/2/3 16:18:36