There exists two planation surfaces, three horizontal caves and four steps of terrace in the study area.
5.武隆地区的层状地貌为两级夷平面、三级水平溶洞和四级阶地。
参考来源 - 长江三峡地区岩溶地貌演化研究·2,447,543篇论文数据,部分数据来源于NoteExpress
以上来源于: WordNet
N the erosion of a land surface until it is basically flat 平整化
The dating of planation surface is still an intractable problem.
而另一方面,夷平面的定年仍是一个棘手的问题。
The ex-planation of such a density window is given and the parameters option is also discussed.
文中对这种密度窗口的存在给予了物理解释,并进而讨论了影响驱动电流效率的主要因素。
There are different opinions on its ex-planation, effect and significance in cognitive SCience.
学术界对它在认知心理学上的解释、作用及意义有不同的评论。
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