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金属矿床露采规模的不断扩大虽然改善了采矿的技术经济指标,但也急剧恶化了矿区的生态环境。金属矿床露天开采的主要消极后果是占用农田和事后需要复田。
The continuous expansion of the size of the metal ore deposits has improved the technical and economic indicators of mining but has also dramatically deteriorated the ecological environment of the mining area. The main negative consequences of open-pit mining are the occupation of farmland and the need for subsequent recovery.