Objective It is necessary to delimitate the normal range of the spinal fracture index for improvement in the accuracy of diagnosis.

目的确定胸腰椎楔形指数的正常范围，提高压缩性骨折的确诊率。

Article 56(3) of the UNCLOS embodying the equitable principle makes a guidance on how to delimitate the continental shelf.

体现了公平原则的《联合国海洋法公约》第56条第3款的规定对大陆架划界具有指导意义；