与"negative contrast technique"相近的词条

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• negative contrast echocardiography
• negative-contrast electron microscopy
• negative contrast media
• negative contrast medium
• negative contrast staining
• negative contrast technique
• negative control
• negative controlling
• negative convergence
• negative cooperation
• negative cooperativity
• negative correlation
• negative correlation coefficient
• negative covariance
• negative cross-adaptation
• negative cross resistance

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