心電圖上標(biāo)明心跳次數(shù).A electrocardiogram records the heartbeat.心電圖和腦電圖在現(xiàn)代醫(yī)學(xué)中是非常珍貴的診斷工具.Both electrocardiograms and electroencephalograms are invaluable diagnostic tools in modern medicine.心電圖可能是最廣為應(yīng)用的監(jiān)測儀.Perhaps the single most wi...