将NCAR和SURFER两种绘图软件相结合，成功地实现了在特定区域内离散点资料的等值线分析和地图叠加。
We combined NCAR software with SURFER software, and successfully analyzed the contour of discrete point data and realized map superposition in special region.
通过分析计算，给出了该区域的个人风险等值线分布图和社会风险（F-N）曲线。
The developed method was applied to one oil and gas storage area. Individual risk contour and social risk F-N curve were established by the developed calculating software.
将硒指标线制作的等值线图与克山病病区分布图叠加后可发现克山病分布区域的边界与硒指标为3.0的等值线基本符合。
According to the overlaying out of isoline chart founded on Se index line and KSD endemic chart, a fact will be found that the border of KSD endemic basically answers for the isoline of Se index 3.0.
将硒指标线制作的等值线图与克山病病区分布图叠加后可发现克山病分布区域的边界与硒指标为3.0的等值线基本符合。
According to the overlaying out of isoline chart founded on Se index line and KSD endemic chart, a fact will be found that the border of KSD endemic basically answers for the isoline of Se index 3.0.
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