求翻译：16世纪前西方世界的地图中，南中国版图上只标有两座城市：广州和宁波。1840年的贸易战争结束后，宁波就成为中国首先向西方开放的五座城市之一。由于中国南北方的近海航线必须在这里转口，中国最长的运河在这里入海，因此宁波在一千多年的时间里，一直是中国最大的国际港口和东南地区的物流中心。南方或者北方的许多特产，在这里形成转口贸易，来自日本、高丽或者东南亚的商船都在这里靠舶，还包括西亚的经印度洋的航线的远洋船舶，都会在这座避风港找到自己的贸易对象，并带回去茶叶、丝绸或者陶瓷。东部新城座落在宁波，宁波是她的壮实的根系。是什么意思？

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Maps of the world 16 centuries ago, South West China on the map marked only the two cities: Guangzhou, and Ningbo. In 1840 Ningbo trade after the end of the war, and became China's first opened to the west of the 5 cities. Due to China's coastal waters of the north and south routes here must be re-e

Before the 16th century map of the Western world, only two cities in the South China: Guangzhou and Ningbo. 1840 trade after the war ended, Ningbo has become China's first open one of the five cities to the West. Due to the coastal waters of South-North route in China must re-exports, the longest ca