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。
As important constituent of planation surface, the weathering crust is the spot of planation surface research to cut into.
作为夷平面的重要组成部分，风化壳是夷平面研究的切入点。
The planation surface in west Yunnan was universally deformed, and the deformation is generally belonging to two types; one is the large area tilting deformation.
夷平面普遍受到两种变形，一种是大面积的掀斜变形，夷平面高度由西北向东南方向递减；另一种为断裂变形，夷平面呈地堑式下降或地垒式上升。
The planation surface in west Yunnan was universally deformed, and the deformation is generally belonging to two types; one is the large area tilting deformation.
夷平面普遍受到两种变形，一种是大面积的掀斜变形，夷平面高度由西北向东南方向递减；另一种为断裂变形，夷平面呈地堑式下降或地垒式上升。
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