gully density

常见例句

双语例句

• Thirdly, according to the research needs, selected gully length, gully width, gully density and vertical slope as the evaluation index.
  根据本研究的需要，选取沟道长度、沟道宽度、沟壑密度和纵比降作为分析沟道变化的判别指标。
• Secondly, utilized DEM to extract factors related channel: slope, aspect, gully length, gully depth, ravines density, vertical slope, and gully width through 2 TM images.
  然后利用DEM提取与沟道相关的因子：坡度、坡向、沟道长度、沟道深度、沟壑密度、纵比降等，并通过两期TM影像提取出沟道宽度；
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