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1·Summary of Background Data.

数据背景概要。

2·Combining background data and named graphs.

组合后台数据和命名图。

3·Queries may also use background data in conjunction with named graphs.

查询也可以把后台数据和命名图结合在一起使用。

4·Summary of Background Data. ASD can be a long-term complication after fusion.

研究背景：邻近阶段退变（ASD）是融合术后的一个长期并发症。

5·Summary of Background Data. Long-term prognosis of WAD has not been fully elucidated.

背景资料摘要：WAD的长期预后尚未完全阐明。

6·Summary of Background Data. OLF is being increasingly recognized as a cause of myelopathy.

研究背景概述：olf逐渐被认为是脊髓病的一种原因。

7·Summary of Background Data. Tears are evidence of structural failure involving the anulus .

数据信息概要：裂隙是包括纤维环在内结构失效的证据。

8·Summary of Background Data. Atlas fractures have been reproduced in some studies in the literature.

背景数据摘要：在一些文献中研究的寰椎骨折重复出现。

9·Summary of Background Data. Exercise therapy is a widely used treatment for CLBP in many countries.

背景信息摘要：锻炼疗法在慢性下腰痛的治疗上被许多国家广泛运用。

10·Summary of Background Data. Sympathetic block is used to relieve symptoms in radiculopathy patients.

背景资料总结：交感神经阻滞已被用于减轻神经根痛症状。