本文包括前言、正文、总结和展望三个部分。
This thesis includes three parts: preface, text, summary and prospect.
前言： 目的：总结膝部同一小切口双交锁髓内钉内固定治疗“浮膝”骨折的临床应用和意义。
Objective To summarize the application and clinical meaning of double interlocking intramedullary nailing treatment of floating knee fracture in a small incision.
前言：目的：总结尘肺病影像学诊断方法的现状、进展，并进行展望。
Objective: To summarize the current situation and progress in diagnostic methods of imaging in pneumoconiosis.
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