This article analyzes the deficiency of K-means algorithm and improves the algorithm with relative best partition and weight in the computation of distance of clusters and cases.

针对K -平均算法存在的缺陷，通过引入相对最佳随机划分方法以及在计算样本与簇中心时的权重，改进了K -平均算法。

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The application of light quality partition is becoming the decisive factor of successful renovation. It has such characteristics as light weight, sound proof, fireproof and convenient construction.

轻质隔墙的应用逐渐成为装修成功与否的决定因素，它具有重量轻、隔音、防火、施工方便等特点。

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And it has small volume, light weight, easy installation, stable efficiency, the advantages of uniform wind speed, the clean workshop need large quantities of filter with no partition structure.

加之其具有体积小、重量轻、便于安装、效率稳定、风速均匀的优点，目前洁净厂房所需的大批量的过滤器多采用无隔板结构。

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