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根据我国西北地区青年人头影测量调查所得的数据,从外科手术的角度选择手术矫正中需参考的最常用的25个数据,设计分成4组,供临床分析使用,以帮助明确诊断、制定手术方案。
According to the data from the survey of young people in Northwest China, we select the most commonly used 25 data needed for surgical correction from the perspective of surgery. The design is divided into 4 groups for clinical analysis to help confirm the diagnosis and formulate the surgical plan .