Objective: the pelvic fracture is a high-energy injury; the incidence of pelvic fracture is lower in comparison with the fractures of extremities and spine.

目的：骨盆骨折一种高能量的损伤，发生率仅次于四肢和脊柱骨折。

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The muscles of the torso stabilize the spine and provide a solid foundation for movement in the extremities.

躯干肌肉对脊骨起到稳定作用，并且对四肢的运动提供了坚实的基础。

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Objective In order to meet the operation demand of whole low extremities and total spine, X-ray radiography for whole low extremities and total spine was studied.

目的研究全下肢和全脊柱X线照片摄影技术，满足全下肢和全脊柱的摄片需要。

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