Forthly, electronic trading of image data is a plus.

影像数据的电子交易。

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Using iterating method to draw coastal lines and topography lines on the 1A image according to the electronic map data.

采用迭代法利用电子地图网格数据，在接收的卫星云图上迭代套上地形及海岸线。

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Using iterating method to draw coastal lines and topography lines on the 1A image according to the electronic map data.

采用迭代法利用电子地图网格数据，在接收的卫星云图上迭代套上地形及海岸线。

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