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我们于1992年1月对我县聋哑学校学生进行了致芹原因调查。现将结果报告如下：以我县聋哑学校学生106人为调查对象．统一设计调查表．发给学生认真填写。结果：106名聋哑学生其数芹原因主要为：药物因素（82．08％）、先天性因素（8．49％）、遗传国家（3．77％）、近亲结桥（3
In January 1992, we conducted a survey of the causes of Zhiqin in the students of the deaf schools in our county. The result is reported as follows: 106 students from our county’s deaf and mute school are the subjects of the survey. Unified design questionnaire. Send it to the student to fill it out. RESULTS: The main reasons for the number of celery for 106 deaf-mute students were: drug factors (82.08%), congenital factors (8.49%), genetic countries (3.77%), and close relatives (3).