人群高度聚集
High concentration of people
以上为机器翻译结果，长、整句建议使用 人工翻译 。
结果（1）本研究人群是多重危险因素高度聚集的心血管疾病群体，冠心病及等危症者占69.81%；
Results(1) The military old officer population was a high risk population of CVD, the incidence of CHD and its equivalent diseases was 69.81%;
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