[ 第三人称单数 rarefies 现在分词 rarefying 过去式 rarefied 过去分词 rarefied ]
V to make or become rarer or less dense; thin out 使稀少
The air rarefies at the top of the mountain.
山顶上的空气变得稀薄。
It mainly introduces a method that applies rarefies and smooth to the automatic forming contour line.
介绍了对自动生成的等高线进行圆滑和抽稀处理的一种方法。
Data quality control is very important during the collection GIS basal data. It mainly introduces a method that applies rarefies and smooth to the automatic forming contour line.
在GIS基础数据的采集过程中，数据质量的控制非常重要。介绍了对自动生成的等高线进行圆滑和抽稀处理的一种方法。
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