To solve the problem, a fuzzy clustering based on predator prey PSO algorithm is presented, which is using density function to initialize cluster centre.

为解决此问题，提出一种基于捕食-被捕食的粒子群优化模糊聚类算法且聚类中心采用密度函数初始化。

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In this paper, cluster centre and the distance from point to the cluster centre was defined, and a dynamic analysis method for plane point set was put forword.

本文定义了聚类中心以及点到聚类中心的距离，提出了一种平面点集的动态聚类分析方法。

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The Spitzer observations also helped confirm a massive galaxy at the centre of the cluster was forming stars at an impressive rate.

斯皮策观测还有助确认在星团中心，一个巨大星系正在以令人惊讶的速度形成恒星。

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She campaigned hard in the 1980s to add a building dedicated to dance to the Music Centre's cluster of auditoriums in central Los Angeles, but could not raise the money.

ECONOMIST: Obituary

Visit the area around Vicenza, in the north-east, which has an array of small family companies, or look at ceramics companies in the cluster around Sassuolo, in the centre of Italy, and you will be struck by the energy and skills on display.

ECONOMIST: A survey of Italy

Benetton, whose headquarters and design centre are located amid a clothing cluster in the Veneto region, has long outsourced most of its manufacturing.

ECONOMIST: Italy's business clusters