detailed land survey investigation 土地详查
land-use detailed survey 土地利用详查
detailed arable land survey 耕地详查
land detailed survey database 土地详查数据库
In recent years, with the implementation of the second national land survey, more detailed land survey data has been collected and a lot of information implied in land status of the database survey.
近几年来，随着全国第二次土地调查的实施，土地调查数据越来越详细，土地调查现状数据库中隐含有大量的信息。
First, we make the Digital Line Graphic with land use Detailed Survey graphs.
首先，利用原土地利用详查图件，生成详查成果的数字线划图。
Note: a Since 1997, the cultivated land detailed survey for the number.
注：1.1997年以后的耕地面积为土地详查数。
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