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针对0-1背包问题求解,将离散二进制粒子群优化(Binary Particle Swarm Optimization, BPSO)算法、贪心优化策略和模拟退火算法有机结合,提出了一种改进算法:带贪心优化的混合粒子群和模拟退火(Hybrid optimization algorithm based on the BPSO, the Simulated Annealing (SA) Algorithm and the Combined Greedy Optimization Operator (CGOO),