For the bilevel programming model, this paper designs a heuristic solution algorithm based on particle swarm optimization technique.
然后基于粒子群优化技术，设计一个启发式求解算法。
Particle swarm optimization (PSO) is a heuristic search method based on swarm intelligence, and has been widely used to solve various problems in engineering fields.
粒子群优化(PSO)算法是一种基于群体智能的启发式搜索方法，应用领域很广。
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