Combining the authors practical experience, this paper discusses the retrieval skills of CBM disc, and lists many examples, which is of great reference value to both teachers and learners.

文章结合作者的检索实践，探讨了该库的有关检索技巧，对文献检索学习者和教学者有重要的参考价值。

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This paper presents a method to calculate the optimum radius of the balancing disc, and gives a calculation example. The method can be used as a reference for the design of the balancing disc.

提出了平衡盘最佳径向尺寸的确定方法，并进行了实例计算，对平衡盘设计有一定的借鉴作用。

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Objective: Carrying on retrospective study on patients with lumbar disc herniation followed up recent days, we evaluate effect of different curative methods and provide the reference for the clinic.

目的对近期随访的腰椎间盘突出症病人进行回顾性研究，评价不同治疗方法的效果，为临床提供参考。

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