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应重视高级专业人员的保健研究地矿局系统有７００多名各类高级专业人员，经首次身体检查，以长沙地区１０个单位共２１９人（其中男性１８８人，女性３１人）进行抽样统计，他们占全局高级专业人员总数３１％，统计结果应具有代表性。统计方式是以５岁为区间划分年龄组。...
There should be more than 700 senior professionals in the Health and Research Bureau of the Mining Bureau of senior professionals. After the first physical examination, a total of 219 people (188 males and 31 females) in 10 units in the Changsha area were sampled for statistics. They account for 31% of the total number of senior professionals, and the statistical results should be representative. The statistical method is to divide the age group by the age of 5 years. ...