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作者通过对４个有色金属矿区职工尿石症发病因素的调查，初步搞清本地有色金属矿区发病因素的特点，为降低患病率提供依据。１ 调查现场、对象、方法１．１ 调查现场：４个有色金属矿距郴州地区的距离最近为１２公里，最远为３８公里。５个现场的平均气温、湿度、降雨量、日照?
By investigating the incidence of urolithiasis in four non-ferrous metal mining areas, the author tentatively clarified the characteristics of the local non-ferrous metal mining areas and provided the basis for reducing the prevalence. A survey of the scene, objects, methods 1.1 survey site: 4 non-ferrous metal mine from the Chenzhou area recently 12 km, the furthest is 38 km. 5 site average temperature, humidity, rainfall, sunshine?