Results Different methods of fixation resulted in different outcomes according to different causes of atlanto-axial instability.

结果寰枢椎不稳的不同病因采用不同的固定方法临床结果不同。

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The rules of atlanto-axial joint movement which are observed in the present study lay theoretical basis for diagnosing and treating atlanto-axial subluxation.

观察到的功能位寰枢关节变化规律，为诊断及治疗寰枢关节不全脱位提供了理论依据。

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The lateral atlantoaxial joint surface is tilted in the sagittal plane or occipito-atlanto-axial joints are asymmetric. Each of the case may result in atlantoaxial dislocation.

寰枢外侧关节面在矢状面上倾斜，枕骨髁、寰椎、枢椎关节发育不对称，可能是导致寰枢椎脱位的另外原因。

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At talks in London, the Faroese withdrew from international management for Atlanto-Scandian herring.

BBC: Scots fishermen condemn Faroe Islands over herring move

Atlanto-Scandian herring is a distinct stock that is found in the north-east Atlantic and is separate from North Sea and West of Scotland herring.

BBC: Scots fishermen condemn Faroe Islands over herring move