目的评价经胸四维超声心动图(动态三维超声心动图，3d)对心血管疾病的诊断价值。
To evaluate the value of precordial four - dimensional echocardiography (dynamic three - dimensional echocardiography, 3d) in diagnosis of cardiovascular diseases.
目的评价经胸四维超声心动图(动态三维超声心动图，3d)对心血管疾病的诊断价值。
To evaluate the value of precordial four - dimensional echocardiography (dynamic three - dimensional echocardiography, 3d) in diagnosis of cardiovascular diseases.
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