求翻译：上海市的4条市域线长度均在100km以上，属长大线路。根据已有轨道交通的运营情况，如此长大线路，在运营组织上存在很大的困难和矛盾难以克服。是什么意思？

Shanghai 4 the length of the field lines are more than 100km, is growing up line. According to the existing rail transit operations, so grew up the line, there are a lot of difficulties and contradictions are difficult to overcome in the operational organization.

Article 4 of the Shanghai Municipal domain online 100km in length, is more than line grew up. Based on the existing rail operations, so I grew up in the business, there is a large organization, the it is difficult to overcome difficulties and contradictions.

Shanghai's 4 city territory line length above 100km, is the coarsening line.According to had the orbital transportation operation situation, so grows up the line, exists in the operation organization very big difficult and contradictory overcomes with difficulty.

Shanghai, 4 City line lengths are more than 100km, is a long line. Based on rail transport operations, so long lines, exists on the operational organization is difficult to overcome great difficulties and contradictions.

article 4 of the Shanghai Municipal domain online 100km in length, is more than line grew up. Based on the existing rail operations, so I grew up in the business, there is a large organization, the it is difficult to overcome difficulties and contradictions. ;