planation的翻译，读音

例句

Stratigraphical sections, fossils Cenozoic planation surfaces and perigalcial landforms, 地层剖面，古生物化石遗迹，新生代夷平面及冰缘地貌 。

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。

This paper's main aim is to narrate the technology and the principle of agent planation in two layers of metal process. 本文主要叙述了双层金属布线中介质平坦化的工艺及原理。