And the depth profile resolution of interface analysis is determined by compromise between the ion mixing and pile up effect.

深度剖面分析的分辨率由离子混合效应和原子堆积效应的折衷结果而决定。

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Results (1) The spinal cord compression due to degeneration structure in flexion-extension was more significant than that in static position, it even had pile up effect.

结果（1）椎管内退变结构在颈椎伸屈活动时常形成较自然位更加严重的脊髓压迫征象，而且它们间还有“动态叠加作用”。

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Aiming at the problems existing in the application of cement treated pile in Jie-pu Highway, this paper analyzes and put up improving measures, the effect is good.

针对水泥搅拌桩在揭普高速公路应用中存在的问题进行了分析，提出了改进措施，效果良好。

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