目的了解早期复极综合征（ERS）并心前区疼痛的心电图特征及其意义。

Objective To investigate ECG features of early repolarization syndrome(ERS) with precordialgia.

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目的：观察心前区疼痛刺激对急性心梗大鼠心梗范围的影响。

Objective: To observe the effects of precordial pain stimulation on the acute myocardial infarction (AMI) range in experimental rats.

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本实验用两种不同剂量的激光照射小白鼠心前区，从组织形态方面观察心肌血管的变化。

After the mice were radiated in front heart area by laser with two different dosages, the morphology change of the blood vessels of the myocardium was observed.

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目的：以彩色多普勒超声心动图(CCDE)检查方法研究心前区来源不明，无害杂音的来源及其机制。

Objective: To identify the origins and the mechanisms of innocent unknown cardiac murmurs by color-coded Doppler echocardiography (CCDE).

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目的：以彩色多普勒超声心动图(CCDE)检查方法研究心前区来源不明，无害杂音的来源及其机制。

Objective: To identify the origins and the mechanisms of innocent unknown cardiac murmurs by color-coded Doppler echocardiography (CCDE).

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