本期刊出的《建筑物防雷设计规范》GB50057—94局部修订条文征求意见稿中的新增第六章防雷击电磁脉冲(以下简称LEMP),本刊编辑部曾约请该规范起草人林维勇先生略加说明其产生背景和目标等,林先生很忙,现只好由编辑部根据IEC标准1312—1的引言编译出以下一段供大家参考,虽然这是征求意见稿,本刊 The new chapter 6 lightning impulse electromagnetic pulse (hereinafter abbreviated as LEMP) was published in the “Architecture for Lightning Protection Design of Buildings” (GB50057-94), and the editorial department of this periodical had invited the drafter Lin Weiyong. Mr. Slightly explains the background and goals that he has generated. Mr. Lin is very busy. He has to compile the following paragraph for reference by the editorial department according to the introduction of IEC standard 1312-1. Although this is an exposure draft, this publication