In Chapter Nine, Gryffindor's loss to Hufflepuff is told.

在第九章中，格兰芬多输给了赫奇帕奇的比赛被讲述了。

Chapter Nine Inspection, Claim, Force Majeure and Arbitration.

第九章商检、索赔、不可抗力和仲。

Chapter nine considers the minimal cost network flow problem from the simplex method point of view.

第九章从单纯形方法的观点考虑网络流问题的最小化.

Chapter nine makes a conclusion, summing up the contents of the whole thesis, pointing out limitations and giving suggestions for further study.

第六章是结论，总结全文，指出本研究的局限性并给出进一步研究的建议。