gully density

常見例句

雙語例句

• Thirdly, according to the research needs, selected gully length, gully width, gully density and vertical slope as the evaluation index.
  根據(jù)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為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.
  然后利用DEM提取與溝道相關(guān)的因子：坡度、坡向、溝道長度、溝道深度、溝壑密度、縱比降等，并通過兩期TM影像提取出溝道寬度；
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