术中应用经后路通用脊柱椎弓根钉棒矫形固定系统固定，同时在寰椎后弓和枢椎椎板间大量髂骨植骨融合。

Intraoperative posterior approach general spine pedicle screw-rod orthopaedics fixation system used and iliac bone block were implanted in space of posterior atlantal arch and axial vertebral plate.

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很长一段时间里，弓只是一根弯曲的棍子和绳子。

For a long time the bow was just a bent stick and string.

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很长一段时间里，弓只由一根弯曲的棍子和弦组成。

For a long time, the bow was just a bent stick and string.

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换句话说，二胡的弓不能从弦中离开，除非这两根弦中有一根卸下或断了。

In another word, one cannot take off the bow from the instrument unless one of the two strings is taken off or broken.

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结果：指动脉的远侧掌横弓位于甲根平面、甲根平面以远和以近者分别占73％、19％和8％。

Results:The distal transverse palmar arches(DIPA) were 73%, 19% and 8% in nail root cross section, distal and proximal nail root respectively.

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聚氨酯在口腔医学领域中可用于粘接剂、充填用树脂、根管充填材料、种植体、正畸弓丝以及组织工程等多方面。

Polyurethane can be used as adhesive, resin for filling, root canal filling material, implant, orthodontic appliance, tissue engineering and so on in the field of dentistry.

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聚氨酯在口腔医学领域中可用于粘接剂、充填用树脂、根管充填材料、种植体、正畸弓丝以及组织工程等多方面。

Polyurethane can be used as adhesive, resin for filling, root canal filling material, implant, orthodontic appliance, tissue engineering and so on in the field of dentistry.

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