4 (A), the dragon dance athletes had an approximate linear growth trend in the west-east direction, which showed a trend of being low in the west and high in the east.
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Spatial distribution and driving factors of Chinese dragon and lion dance athletes based on GIS.
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The sentences
It was inverted U-shaped in the south-north direction, showing an obvious trend of being high in the middle and low in the north and south ( Fig. 4 (A)).