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1·To study the effect of sports training on vectorcardiogram (VCG).

研究运动训练对心电向量环的影响。

2·Objective To realize the clinical value of changes of t ring VCG in diagnosis of early CHD.

目的了解心电向量(VCG) T环变化在早期冠心病心肌供血不足时的特点、诊断价值、特异性及敏感性。

3·Analyze VCG changes of ARVI with and without the condition of inferior, posterior infarction of left ventricle.

分析在有或无左室梗死条件下急性右室梗死心向量图改变。

4·The major input data are VCG data, however, other ones, such as ECG or symptom parameters, can be also received.

该系统的主要输入数据是心电向量图数据，但也可心接受心电图或其它临床参数和知识。

5·Chitosan react with vanillin aldehyde by Schiff's base reaction in water, a polymer product-VCG can be prepared.

在水溶液中，壳聚糖与香草醛发生希夫碱反应，生成改性壳聚糖vcg。

6·Results Diagnosis of myocardial ischemia burthen of early CHD had need to colligate guide lines of changes of T ring VCG.

结果对早期冠心病心肌供血不足的诊断，需要对VCG T环的各项异常指标综合判断。

7·Objective To comprehend relativity and clinical value of diagnosis index on electrocardiogram(ECG)and vectorcardiogram(VCG).

目的了解常规心电图（ECG）与心向量图（VCG）诊断指标的吻合性及临床价值。

8·Methods: 56 patients with coronary heart disease and 60 health people were analyzed statistically in changes of t ring of VCG.

方法：对56例冠心病患者及60例健康人进行心电向量T环改变统计分析。

9·Thus, it was noninvasive and convenient method for diagnosis of early CAD by ECG screening, and in combination with VCG and ACG.

经ecg筛选，结合VCG及ACG分析不失为诊断早期冠心病无创而简便的方法。

10·When the benchmark model do not set up such as one of the four basic assumptions do not set up, VCG is not an effective mechanism.

当基准点模型不成立时，即四个基本假设中有一个不成立时，有效的VCG机制就不成立。