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为探讨睾丸与生长发育的规律,我们于一九八五年六月应用睾丸模型法对7～19岁2700名男性儿童的睾丸进行了测定,同时也调查了几项形态指标和青春期第二性征。调查对象与方法选择位于松花江地区中部、生活水平居全区中等水平的宾县、五常县中小学各两所,选取7～19岁2700名健康男性学生为研究对象。参照国
To explore the rules of testis growth and development, we testicular test methods in 2785 male children aged 7-19 years by testicular model method in June 1985. We also investigated several morphological indexes and adolescent secondary sex Levy The survey object and method selection is located in the middle of the Songhua River area, living standard in the middle level of Binxian, Wuchang primary and secondary schools each two, select 2700 healthy male students aged 7 to 19 years as the research object. Reference country