headward

常見例句

• Erosion, which may include undercutting, knick point migration, headward erosion and downcutting, continues but at a much reduced rate.
  一些樹最初在深沖溝出現(xiàn)前的淺沖溝中生長，一些沖溝里沒有樹木生長的跡象，生長的樹木就是最初分開它們的柵欄標(biāo)記。
• gully bed incision and headward erosion
  控制溝道下切
• Formulas for Calculating Headward Erosion on a Bed Load-Delta
  推移質(zhì)三角洲溯源沖刷計(jì)算公式
• THE CONCEPTS AND MATHEMATICAL MODEL OF DOWNW-ARD SEDIMENTATION AND HEADWARD SEDIMENTATION
  沿程淤積與溯源淤積的概念與數(shù)學(xué)模型
• headward gradient acceleration
  頭向梯度加速度
• headward growth
  頭方生長
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