关键区段 meaning in English
critical section
Examples
- Based on the regional geologic survey on the scale of 1 / 250 000 , coupled with geological , geochemical and geophysical investigations in some key regions , this dissertation summarized the tectonomagmatic evolution and mineralization of the mid - gangdise area . with respect to tectonic evolution , the gangdise belt has experienced a multi - stage evolutional history since mesozoic , including oceanic crust subduction , arc - continent collision , intracontinental subduction and collision , and strike - slip and block uplift
论文以新一轮1 ： 25万区域地质调查为基础，在对关键区段重点解剖的基础上，结合地球物理、岩石化学、地球化学、沉积作用、变质作用、构造演化和成矿作用的研究成果，对冈底斯中段的构造岩浆演化与成矿作了较系统的科学总结。