Area data relate to harvested area.
面积数据是指收获面积。
Area data of each land utilization type of Haikou County is analyzed.
对海口市各土地利用类型的面积进行统计分析。
Area data is one of familiar geography data, and it has highly extensive application.
面状数据是最常见的地学数据之一，其应用十分广泛。
The second part: Introduction of the study area, data sources and research methods.
第二部分：介绍本文的研究区域、数据来源及研究方法。
The second part: Introduction of the study area, data sources and research methods.
第二部分：介绍本文的研究区域、数据来源及研究方法。
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