研究分级和排序的模糊综合评价方法。
Research into the fuzzy synthetic evaluation method of classification andordenng.
应用表明，属性数学综合评价模型方便、有效，克服了模糊综合评判中分级不清、结果不合理的问题。
It was shown that attribute mathematical model of comprehensive evaluation is more convenient, effective and be able to overcome the problems unclear classification and unreasonable result.
在风险评价方法的基础上，结合模糊理论，提出了围岩稳定性的风险评价分级方法。
Based on the method of risk assessment, the fuzzy analysis is introduced to establish the classification of surrounding rock stability.
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