Intervention: Patients in the nonoperative group were managed by simple sling immobilization, whereas in the operative group, fractures were reduced and fixed with a contoured reconstruction plate.
治疗措施：非手术治疗组患者采用简易绷带悬吊固定，手术治疗组采用解剖型重建钢板复位固定。
Methods 347 cases different categories fracture of jaws were treated to internal fixed with Mini Ti Plate.
方法在347例不同类型的颌骨骨折治疗中采用微型钛板进行内固定。
The symmetric and unti -symmetric free vibration problems of thick plate with the fixed and simple support edge conditions are solved.
求解了厚圆板在周边固支和简支条件下的对称与反对称的自由振动问题。
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