本文以第二次全国土地调查项目为支撑，以海口市为例，对“3s”技术支持下的农村土地利用调查进行了研究。
This article, taking Haikou County as an example, based on the second national land investigation project, studies the method of countryside land-use investigation under the support of 3s technique.
研究目的：对海量影像和矢量数据的存储组织进行研究、设计开发和试验，解决第二次全国土地调查国家级数据库管理系统建设项目的技术瓶颈。
The purpose of the study is to address technical bottlenecks of the second national land survey state-level database management system by researching mass images and vector data storage technologies.
第二次全国土地调查工作正在广泛开展，其中数据库如实、高效、精确的建立是最主要的任务，而数据质量控制程度的高低直接影响了数据库的建设状况。
The work of the Second National Land Survey is being carried out widely and the most primary task is the database's foundation which should be true, efficient and accurate.
第二次全国土地调查工作正在广泛开展，其中数据库如实、高效、精确的建立是最主要的任务，而数据质量控制程度的高低直接影响了数据库的建设状况。
The work of the Second National Land Survey is being carried out widely and the most primary task is the database's foundation which should be true, efficient and accurate.
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