Intermontane basins in relatively stable regions subjected to regional uplift.
较稳定区域内的山间盆地，曾有过区域隆起。
英语百科
Intermontane
Intermontane is a physiographic adjective formed from the prefix "inter-" ("signifying among, between, amid, during, within, mutual, reciprocal) and the adjective "montane" ("inhabiting, or growing in mountainous regions, especially cool, moist upland slopes below the timberline.")