土地更新调查是我国土地管理的一项重要基础工作。
In land management of our country, land renovation and survey is an important basic job.
本文体现了3s技术在县级土地更新调查中的重要性。
This paper shows the importance of the technology of 3s in County-Level Land Updating Investigation.
结合国土资源大调查，利用卫星遥感数据对土地更新调查方法进行了研究。
Combined with the land resources investigation project, this paper studied the methods of land updating investigation using satellite remote sensing data.
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