headward erosion 向源侵蚀 ; [地理] 溯源侵蚀
headward acceleration 头向加速度
headward deposition [地理] 溯源堆积
headward end 前端
cirque headward 冰斗溯源
headward growth 头向生长
headward gradient 头向梯度加速度
headward d erosion 向源侵蚀
ADJ (of river erosion) cutting backwards or upstream above the original source, which recedes 溯源的
ADV → a variant of headwards
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