The choice of coordinate system and ground control surveying are critical to the accuracy of the checking work.

为保证矿业权核查工作的准确性，坐标系统的选择及地面控制测量显得尤为重要。

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A block is formed by the image sequence acquired with the satellite formation, and the block aerotriangulation by bundle method is applied to get coordinate of ground point.

卫星编队拍摄的序列图像可组成多轨道区域网，通过区域网光束法平差解算就可以获得目标点坐标。

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"The country is well aware of his courageous service in responding to the World Trade Center attack, his efforts to coordinate rescue and recovery work at Ground Zero, " the senior administration official said.

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Cosmo Fujiyama, 23, lives in Honduras full time to coordinate the group's building efforts on the ground.

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The closures will not force the shutdown of any of those airports, but pilots will be left to coordinate takeoffs and landings among themselves over a shared radio frequency with no help from ground controllers.

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