• 1. headward erosion: 向源侵蚀 | 溯源侵蚀 | 朔源侵蚀
• 2. headward d erosion: 向源侵蚀
• 3. headward-migrating erosion: 溯源侵蚀

• 1.Headward erosion is main cause of river captrue, but it is not only;
  溯源侵蚀是河流袭夺的主因，但不是唯一原因；
  dict.yoduao.com
• 2.The change of ephemeral gully headward erosion, gully-wall collapsing and deep-cutting erosion were quantified in the three stages of initial-phase, metaphase and anaphase.
  阐明了在浅沟发育初期、中期和后期三个发育阶段，沟头溯源侵蚀、沟壁扩展和沟床下切侵蚀变化规律。
  dict.yoduao.com

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