gully density
常见例句
- 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； 返回 gully density