关键词：废弃地;低效利用地;未利用地;3S技术 [gap=278]Keywords: lands; Inefficient utilization; Did not use the land; 3 S technique ...
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But the excessive development and unclean and inefficient utilization of coal resources have brought not only huge waste of coal, but also serious deterioration of ecological environment.
但煤炭资源的过量开发和非高效非洁净利用，不仅造成了煤炭资源的大量浪费，而且导致了生态环境的严重恶化。
To summarize evaluation results and related classification, here is an analysis of reasons for tourism land's inefficient utilization, appropriate use, intensive utilization and excessive use.
对评价结果进行汇总和归类，分析旅游用地低效利用、适度利用、集约利用和过度利用的原因。
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