高夷
高夷-
高夷平面分布高度为海拔1700~2000m，完成于老第三纪末；
The higher planation surface , 1700m to 2000m above sea level , was formed in the latest period of Early Tertiary .
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贵州高原喀斯特层状地貌发育，至上而下主要有三级：Ⅰ级夷平程度高，称夷平面；
The karst bedded geomorphology development of Guizhou plateau involves three grades from upper to lower : I-grade is high level planation and is named for planation surface ;