基于相对系数法和经验公式法提出了一个复合式事例修改策略，通过不同修改规则的优化和组合，保证了事例修改的正确性。
To improve the accuracy of case modification, a relative value and experience mixed modification strategy was put forward to combine and optimize the evaluation rules.
介绍了模糊方法在组合式压杆稳定可靠性计算中的应用，给出了组合式压杆的模糊可靠度计算公式。
We present a fuzzy method for the calculating of sectional compression rod stability. The calculation formula of fuzzy reliability of sectional compression rod stability is given.
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