产品详情
说明： 对mapinfo中选定区域用指定半径的圆填充，计算填充圆的个数，并计算填充圆的面积与区域面积之比
(right MapInfo selected regional specified radius of the circle to fill the calculation filled round number, and calculate an area filled with a round of the regional area ratio)
(right MapInfo selected regional specified radius of the circle to fill the calculation filled round number, and calculate an area filled with a round of the regional area ratio)
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