It also lays a complete foundation for classifying parameter model in order to realize digital mapping technology with engineering feature.
为实现具有工程化特征的数字成图生产工艺奠定完备的分类参数模型基础。
The team used a satellite photo of a suspected submerged city to find the site then surveyed it with a combination of deep-ground radar, digital mapping, and underwater technology.
研究小组首先利用可能是被掩埋城市的卫星影像来寻找遗址，然后综合利用探地雷达，数字地图和水下技术来进行进一步调查。
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