• 1. drainage divide: 分水岭 | 硫分界线 | 流域分界线
• 2. surface drainage divide: 地面分水界
• 3. subsurface drainage divide: 地下分水界

更多释义

• 1.The fault uplift zone was a drainage divide within the fault depression, developing fluvial-delta systems on its two sides.
  断陷内部的断隆带起到分水岭的作用，两侧分别发育河流-三角洲体系。
  dict.yoduao.com
• 2.If you are trying to manage it, you must first divide your area of concern into drainage basins.
  如果你想要操控水，你必须先把那些你所关注的地区划分成一个个地势上的盆地。
  dict.yoduao.com

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