“precautionary principle of EMF”的概念、定义、翻译、参考文献-科学参考

单词	precautionary principle of EMF
释义	precautionary principle of EMF Encyclopedia 工学电磁辐射防护释 precautionary principle of EMF电磁辐射防护保护人员免受或少受电离辐射照射的影响和达到这一目标的方法。
随便看	Knossos palace Knot knot knot breaking force knot cobordism knot complement knot complement conjecture knot composition knot concordance group knot curve knot determinant knot diagram knot dragon dance knot exterior knot genus knotgrass knot group knot invariant knot linking knot matrix knot move knot; node knot polynomial knot problem knot projection

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