面向上位 meaning in Chinese

brow-up position

This “ sliver ” plate , a long , thin section of crust that reaches southward from myanmar ( burma ) , pushes over and against the india plate to its west at the rate of 14 millimeters a year ; on december 26 , 2004 , the burma plate jerked westward and upward along an incline by perhaps 15 meters
缅甸板块是形状长而细瘦的小板块，由缅甸往南延伸，以每年14公?的速度往西推挤印度板块； 2004年12月26日，缅甸板块猛然向西挤压，使其沿著断裂面向上位移了约15公尺。