headward

常见例句

Erosion, which may include undercutting, knick point migration, headward erosion and downcutting, continues but at a much reduced rate.
一些树最初在深冲沟出现前的浅冲沟中生长，一些冲沟里没有树木生长的迹象，生长的树木就是最初分开它们的栅栏标记。
gully bed incision and headward erosion
控制沟道下切
Formulas for Calculating Headward Erosion on a Bed Load-Delta
推移质三角洲溯源冲刷计算公式
THE CONCEPTS AND MATHEMATICAL MODEL OF DOWNW-ARD SEDIMENTATION AND HEADWARD SEDIMENTATION
沿程淤积与溯源淤积的概念与数学模型
headward gradient acceleration
头向梯度加速度
headward growth
头方生长