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Regional road traffic data for the significance of the national macro- , meso- and micro-enterprise regional level to provide basic data and information for reference. However, the existing regional road traffic investigation work either in the investigation or in the survey methods based on both the existence of certain problems , it is difficult to ensure regional road traffic data accuracy and practicality. In recent years, the South China Sea economy entered a period of development by leaps and bounds , the traditional statistical management model has been difficult to adapt to needs. The \For example , in the past only to Statistics South Ji vehicle traffic , but because of the South China Sea flow, logistics capacity, foreign vehicles are a piece of love to the South China Sea , which occurred in the South China Sea, the data have not been included in the statistics . In order to solve the \From the industry classification point of view, Nanhai District, roughly the transport of goods from industrial enterprises , production and living consumption , infrastructure consumes three main areas. As long as the import and export of materials needed in all areas measured or the weight of the finished product , you can measure Nanhai District of cargo . Further, we can investigate sources of raw materials and products, place the required distance and the estimated freight turnover of Nanhai District . However, the above survey program implementation requires a great deal of manpower and resources , in reality inconvenient for routine investigations . Based on the \
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