农机化装备结构优化评价的问题具有灰色性和模糊性的特点，对其进行评价分析，传统的方法具有很大的局限性。

The question of evaluation of agriculture machine structure optimum has the feature of grey and fuzzy, the traditional methods are greatly limited to solve this problem.

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在模糊综合评判和灰色聚类评价法中，各个指标间总是采用单一的线性加权的方法。

In fuzzy synthetic evaluation and grey cluster evaluation, linear weighing method is commonly used for dealing with the relationship of each index.

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比较这两种方法，灰色统计评估法比模糊层次评价法更客观可靠，是一种比较理想的项目方案优化方法。

Grey statistics method is more objective and reliable comparing with fuzzy hierarchy estimation, thus it is an ideal method for optimization of project schemes.

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