Results Development grade of the radius, the middle third phalanx and the fourth phalanx was partially closed (>2/3), and the rest was wholly-closed with existence of the epiphyseal line.

• 结果桡骨，中排第三、第四指骨干骺端发育等级为部分闭合（>2/3为主），其余掌指骨干骺端发育等级则以完全闭合残留骺线痕迹为主；