中文说明：
对生产线上的工位布置优化，解决NP难问题。求解最优平衡率下的工位布置，平衡个工位的负荷。达到人员精简和降低成本的目的。
English Description：
Optimize the position layout of the production line to solve the NP hard problem. The station layout under the optimal balance rate is solved to balance the load of each station. To achieve the purpose of staff streamlining and cost reduction