- audible limit
- 可听限度
Medical Chinese dictionary (湘雅医学词典). 2013.
audible limit
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subsonic — /sʌbˈsɒnɪk/ (say sub sonik) adjective 1. (of sound frequencies) below the audible limit. 2. (of velocities) below the velocity of sound in the medium …
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ultrasound — /ˈʌltrəsaʊnd / (say ultruhsownd) noun 1. pressure waves similar in nature to soundwaves but whose frequencies, greater than 20 000 hertz, are above the audible limit. 2. the diagnostic or therapeutic use of such waves, as in the imaging of… …
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