标准摘要
[中文适用范围]： 本修正案 specifies changes made to the International Electrotechnical Vocabulary (IEV) which have not been published as a separate standard.（本修正案规定了《国际电工词汇》(IEV) 的变更，这些变更未作为独立标准发布。）
英文名称Amendment 5 - International Electrotechnical Vocabulary (IEV) - Part 131: Circuit theory