创伤也可导致腰椎小关节源性疼痛。

Trauma may also cause lumbar facetogenic pain.

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小焦斑的源有利于成像。

Microfocus source will benefit image.

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形成的小凹坑起到应力增高源的作用。

The small pits that form on the surface act as stress raisers.

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形成的小凹坑起到应力增高源的作用。

The small pits that form on the surface act as stress raisers.

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