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近年来，地球物理和地质勘探计划中一个明显的趋势是更多地进行区域调查。这样做法，一方面是由于那些仅仅只有微弱反映的矿床目前所具有的经济潜力，但更主要的是由于人们对板块构造和金属矿床之
In recent years, a clear trend in geophysical and geological exploration programs has been to conduct more regional surveys. This is due in part to the economic potential of those deposits that are only weakly reflected, but more importantly due to the economic and social impact of plate tectonics and metallogenic deposits