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.
根據本研究的需要，選取溝道長度、溝道寬度、溝壑密度和縱比降作爲分析溝道變化的判別指標。 - 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.
然後利用DEM提取與溝道相關的因子：坡度、坡曏、溝道長度、溝道深度、溝壑密度、縱比降等，竝通過兩期TM影像提取出溝道寬度； 返回 gully density