In this paper cloud model is introduced then combined with particle swarm optimization ( pso ) to determine the inertia weight of algorithm speed up the convergence speed of the algorithm and improves the searching capability of the algorithm .

本文将云模型引入粒子 群算法，用于确定算法的惯性权重， 加快 了算法的收敛速度，提高了算法的寻优能力。

Then the cocoa-nuts would be ripe for picking and her cousins ( like all the natives Ata had a host of relatives ) would swarm up the trees and throw down the big ripe nuts .

爱塔的表兄表弟、堂兄堂弟（象所有的土人一样，她的亲戚数也数不过来） 成群结队 地 爬 到树上去，把成熟的大椰子扔下来。

The improved fuzzy multi-objective particle swarm algorithm put forward in this paper can rapidly narrow the search area and speed up the convergence rate . At the same time it can maintain the diversity of evolution population .

本文提出的改进的模糊多目标粒子 群算法可迅速缩小搜索区域， 加快算法收敛速度，并维持较好的多样性。

A swarm of purplish stinging jellyfish is washed up on Cocoa Beach Florida on Saturday .

在过去一周美国佛罗里达州中部的大西洋海滩 上 出现 了大量 水母。

The main works of the dissertation can be organized as follows : 1 . Firstly researching on ant colony algorithm and particle swarm optimization summarize the studying headway . sum up the applying area of ACA and PSO and the disadvantage .

本文主要内容包括：1.首先对粒子 群优化算法和蚁群算法近年来的研究进展进行了总结， 归纳算法的成功应用领域和存在的不足。