In The Standard of Estimating Skeletal Maturity for Chinese (Method of CHN Scoring),people who evaluate abstain with the aid of X film imagegrade of bones score ,then woke out the bone age.

• 在中国人骨成熟度评价标准(CHN积分法)中，需要借助于X光胶片来获得各骨的等级得分，然后计算骨龄。