Aircraft-Loading-Planning 飞机配载问题 参考文献 https://zhuanlan.zhihu.com/p/388264996 https://www.cs.cityu.edu.hk/~hwchun/research/PDF/Kelly%20FOK%20-%20CCCT%202004%20a.pdf https://www.sciencedirect.com/science/article/abs/pii/0377221780901873