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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The approach and steps of computer classification and mapping on digital aerial photo image in a case study of land use mapping of a township is presented in this paper.

通过利用黑白航片编制一个乡的土地利用现状地图为例，介绍航片数字图像计算机分类和制图的具体方法、步骤。

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