研究背景冠心病是心血管疾病死亡的主要原因之一。
Background: Coronary heart disease is one of the main death-causing factors of heart diseases.
背景冠心病是一种常见病，其发病率及死亡率都很高。
BackgroundCoronary heart disease is a common disease, its incidence and mortality rates are high.
背景：极量运动试验时心电图异常是无症状冠心病患者未来冠心病死亡率的强预测因子。
Background - : An abnormal ECG during maximal exercise testing has been shown to be a powerful predictor of future coronary heart disease (CHD) mortality in asymptomatic men.
背景：BNP对稳定型冠心病低风险患者的预测价值尚不清楚。
Background: The prognostic value of BNPs in low-risk patients with stable coronary artery disease remains unclear.
背景介绍：视网膜病变损害在冠心病的危险性预测中是很普通的临床症状。
Background: Retinopathy lesions are fairly common findings in clinic Settings and may predict risk of coronary heart disease (CHD).
背景-美国冠心病的死亡率呈下降趋势，但具体的原因还不清楚。
Background - Death rates for coronary heart disease have been declining in the United States, but the reasons for this decline are not clear.
背景：冠心病是2型糖尿病患者致残和致死的主要原因。
Context: Coronary artery disease (CAD) is the major cause of mortality and morbidity in patients with type 2 diabetes.
背景和目的：随着冠心病发病率的不断上升，寻求无创检测心肌缺血的新方法变得越来越迫切。
Background and objective: With the rising incidence of coronary heart disease, pursuing a new method to detect myocardial ischemia become more and more imperative.
研究背景：冠心病是严重威害中老年人健康的一种常见、多发心血管疾病。
Background: The coronary artery disease is widely common cardiovascular disease in wrinkly and elderly people.
背景：假定较低的硒浓度与增加的心血管疾病风险有关，补充硒可以预防冠心病。
Background: it is hypothesized that low selenium concentrations are associated with an increased risk of cardiovascular disease and that selenium supplements prevent coronary heart disease.
背景：假定较低的硒浓度与增加的心血管疾病风险有关，补充硒可以预防冠心病。
Background: it is hypothesized that low selenium concentrations are associated with an increased risk of cardiovascular disease and that selenium supplements prevent coronary heart disease.
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