Data quality controlling is a important index for topographic digital map.

数据质量控制是良好的数字地形图质量的重要保证.

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A digital map of the terrain was captured by lasers and radar.

激光和雷达确定了该地的数字地形图.

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I just looked at the digital map.

我刚查看完数字地图.

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Current, they are striding to three dimensional space from the 2 dimension space of digital map.

现在, 他们正在从数字地图的二维空间向三维空间迈进.

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