铁矿区土地复垦是恢复矿区生态环境的主要措施。
The reclamation of the mining area land is the main measure to recover its ecological environment.
建立了矿区生态环境质量预警指标体系及预警模型。
It also establishes the mining ecological environment quality forecasting index system and the forecasting model.
钛矿开采严重污染地表水，并使矿区生态环境普遍退化。
Mining ilmenite makes serious surface water pollution, and degenerates ecological environment.
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