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近些年,苏联在改进矿物资源合理利用规划的制定和经济鼓励方面采取了一系列措施。从1975年开始,在苏联经济和社会发展
In recent years, the Soviet Union has taken a series of measures to improve the formulation of plans for the rational use of mineral resources and economic incentives. Since 1975, in the Soviet Union economic and social development