与"direct coupled displacement type heart-sound microphone"相近的词条

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• direct coulometric titration
• direct counting method
• direct coupled
• direct coupled acceleration type heart-sound microphone
• direct coupled amplifier
• direct coupled displacement type heart-sound microphone
• direct cross
• direct cross-matching test
• direct crossgraphy
• direct culture
• direct current
• direct current amplifier
• direct current cardiovector
• direct current cardioversion
• direct current countershock
• direct current elctrotherapy

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