Objective To evaluate the effectiveness of internal fixation via the posterior bow side mass of atlas for the treatment of the upper cervical spine injuries.

目的评估经寰椎后弓侧块螺钉固定应用于上颈椎损伤的价值和作用。

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Pass the tape around your waist and tie securely in a double bow on your left side.

把带子围着腰转一圈然后在身体左侧的双环上系牢。

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A similar process occurs on a much smaller scale to gas surrounding a single star, forming the bow-shaped arc seen near the upper left side of the Cone.

类似的过程以小得多的规模发生在锥状星云左上方的一个恒星周围，形成了一个弧形光晕。

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All rooms look out on stunning views of the Bow River valley on one side of the hotel and of the Rockies all around.

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Tudur Jones, who made his international bow against Luxembourg in March 2008, signed for Swansea from Welsh Premier side Bangor City in 2005 but his Liberty Stadium career has been beset by serious knee injuries.

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