“groundwater contamination”的概念、定义、翻译、参考文献-科学参考

单词	groundwater contamination
释义	groundwater contamination Encyclopedia 理学地下水污染释 groundwater contamination地下水污染在人类活动影响下，地下水水质恶化的现象。水质恶化会妨碍它在各方面的正常利用，并危及人体健康和破坏生态平衡。
随便看	covering homotopy covering homotopy axiom covering homotopy property covering homotopy theorem covering isotopy covering lemma covering Lie group covering linkage invariant covering manifold covering map covering number covering of a group covering of a manifold covering of a plane covering of a set covering of a space covering of a surface covering of a topological space covering of finite order covering of finite type covering of Vitali covering path covering point covering polyhedron covering problem

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