求翻译：南桥新城“中小企业总部商务区”规划总面积为1.47平方公里，是上海市二十个现代服务业集聚区之一，也是上海市唯一以“中小企业总部经济”命名的集聚区。是什么意思？

Southbridge Metro SMEs Headquarters Business District planning a total area of ​​1.47 square kilometers, is one of the twenty Shanghai modern service area, Shanghai, the only named "SME Headquarters Economy" gathering area.

Metro south bridge the small and medium-sized enterprises business district headquarters," the total area of 1.47 square kilometers, it is Shanghai, a modern service industries brought together 20 area and also one of only a city of Shanghai in the small and medium-sized corporate headquarters econo

South the bridge new town “small and medium-sized enterprise headquarters commercial district” the plan total area is 1.47 square kilometers, is Shanghai 20 modern service industries gathers one of areas, also is Shanghai only the naming gathers the area by “the small and medium-sized enterprise hea

Nanqiao new city "headquarters of the SME business district" total planning area of 1.47 square kilometers, is one of the band in 20 modern service industry in Shanghai, Shanghai City only to "SME headquarters economy" band in name.