The intrinsic property of matter responsible for all electric phenomena,in particular for the force of the electromagnetic interaction,occurring in two forms arbitrarily designated negative and positive.

 
  • 負荷,構成所有電子現象(尤指電磁感應力)起因的物質(zhì)的固有屬性,以?xún)煞N任意命名的形式負和正出現。
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