英语词汇“Phonocardiographies”的意思、用法、释义、翻译、读音、例句、短语、词组-英汉翻译词典

单词	Phonocardiographies
释义	Phonocardiographies 《英文msh词典》Phonocardiographies [入口词] Phonocardiographies [主题词] Phonocardiography [英文释义] Graphic registration of the heart sounds picked up as vibrations and transformed by a piezoelectric crystal microphone into a varying electrical output according to the stresses imposed by the sound waves. The electrical output is amplified by a stethograph amplifier and recorded by a device incorporated into the electrocardiograph or by a multichannel recording machine.
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