The mathematic model is built by the theory of the fuzzy comprehensive appraise which is used for NC machine tool. This appraise is scientific and practical.

应用模糊综合评价理论建立数学模型来评价数控机床，使这种评价科学、实用。

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Performance appraisal index system of CPA's professional judgment is then structured and the multistage fuzzy comprehensive appraisal model is used to appraise it.

其次构建了注册会计师职业判断绩效评价的指标体系，并运用多级模糊综合评价模型对其进行绩效评价。

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