节水水平
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urban water conservation level 城市节水水平
·2,447,543篇论文数据，部分数据来源于NoteExpress
Finally the paper summarizes 10 countermeasures about improving water conservation level of cities.
论文第六章总结了提高城市节约用水水平的10项基本对策。
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Meanwhile the quality of level terrace effects its soil and water conservation benefit greatly.
同时，水平梯田的质量对其减水减沙效益影响很大。
The goal was to convene a meeting of high level experts in transboundary cooperation, biodiversity conservation and sustainable use of land and water resources.
UNESCO: Transboundary cooperation for conservation and sustainable use of terrestrial and water ecosystems | United Nations Educational, Scientific and Cultural Organization
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