Thus the carcinogenicity of static magnetic fields to humans is not at present classifiable (IARC, 2002).

因此，静电磁场对人类的致癌性目前尚无法进行分类(IARC, 2002年)。

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Man-made static magnetic fields are generated wherever DC currents are used, such as in electric trains or industrial processes such as aluminium production and in gas welding.

在使用直流电的地方即产生人为的静电磁场，例如在电车或诸如铝生产和气焊等工业操作程序中。

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Objective: To investigate the effects of static magnetic fields which are generated by the open-circuit and closed-circuit dental magnetic attachments on the enzymology of human gingival fibroblasts.

目的：研究不同磁路设计的磁性附着体所产生静磁场对人牙龈成纤维细胞酶学的相关作用。

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