| echography |
sonography: using the reflections of high-frequency sound waves to construct an image of a body organ (a sonogram); commonly used to observe fetal growth or study bodily organs
출처: wordnet.princeton.edu/perl/webwn
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| echography |
(ek-OG-ruh-fee) Transmission of high frequency sound waves into the eye. Waves are reflected by the ocular tissues and displayed on a screen so that internal structures can be seen.
출처: www.jhu.edu/wctb/coms/booklet/book5.htm
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