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1.Vectorcardiography is a technique used to measure the electrical activity of the heart.
向量心电图术是一种用来测量心脏电活动的技术。
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2.The study of vectorcardiography has led to advancements in diagnostic imaging.
向量心电图学的研究表明，这推动了诊断成像技术的进步。
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3.Physicians use vectorcardiography to detect and treat arrhythmias.
医生使用向量心电图来检测和治疗心律失常。