planation
英[pleɪ\'neɪʃən]
美[pleɪ\'neɪʃən]
基本释义
- n.
- 均夷作用; 夷平作用
实用例句
Terrain from southeast to northwest tilted planation surface southeast to the northwest to hilly areas.
地势由东南向西北倾斜,东南为夷平面,西北为丘陵地带.
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英英释义
Noun
1. the process of erosion whereby a level surface is produced