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，如此长和大的线路，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？

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

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