本文讨论了一种基于模糊贴近度的机械零件成本估算方法。

In this paper, a method of manufacturing cost-estimation of machine parts based on mathematical fuzzy close-in-degree is discussed.

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然后在该类别里用模糊贴近度公式选出与待报台风最相似的历史样本。

Then the history Typhoon which is the most similar to forecasting Typhoon can be selected by calculating fuzzy approximation finally.

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并引入模糊贴近度理论的多目标分类方法，进行卷烟生命周期阶段的判定。

The different phases of tobacco lifecycle are judged by using multi-objective classification method of fuzzy nearness degree.

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