“water self-purification”的概念、定义、翻译、参考文献-科学参考

单词	water self-purification
释义	water self-purification Encyclopedia 工学环境自净释 water self-purification水体自净受污染的水体在物理、化学、生物等作用下，污染物浓度逐渐降低，经一段时间后恢复到受污染前状态的自然现象。有时专指水体中微生物氧化分解有机污染物而使水质净化的作用。
随便看	free-cutting copper alloy free damping layer free d Dyck path free d-Dyck path free decomposition Free Democratic Party Freedericksz transition free derivative free diagnostics free differential calculus free diffusion free distance Freedman Freedman,Michael H. Freedman theorem Freedmen’s Bureau Freedom And Accountability: Safeguarding Free Expression Through Media Self-Regulation Freedom Communications Freedom for Us freedom of assembly and association freedom of communication freedom of contract freedom of cultural activities freedom of information Freedom of Information Act

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