“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	Helmholtz Centre for Ocean Research Helmholtz coil Helmholtz coils Helmholtz contraction Helmholtz contraction time Helmholtz crater Helmholtz decomposition Helmholtz differential equation Helmholtz double layer Helmholtz equation Helmholtz formula Helmholtz free energy Helmholtz function Helmholtz, Hermann Ludwig Ferdinand von Helmholtz-Kelvin contraction Helmholtz-Kelvin theory helmholtz-kelvin time scale Helmholtz-Ketteler dispersion formula Helmholtz-Ketteler formula Helmholtz-Lagrange theorem Helmholtz layer Helmholtz reciprocity theorem Helmholtz representation helmholtz resonance sound absorber Helmholtz resonator

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