在电力系统中，台区是指（一台）变压器的供电范围或区域。它是电力经济运行管理的名词。还有就是在特定语句中是一区域地名。
该矿床位于华北地台区北缘内侧。
The deposit is located in the North margin of North-China Platform.
西南部隶属四川地台区的北缘。
The southwestern portion belongs to the north margin of the Sichuan Platform.
华北地台区构造作用具有多期次板块俯冲和碰撞，是金矿形成的有利条件。
The tectonism of North China platform had the multistage plate subduction and collision which form a favourable condition for gold mineralization.
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