Some conception and foundation are reviewed to get a deeper understanding for the study and the evaluation of EMF in welding, and also for the establishment of the Chinese own standard.

• 在此所列出的重要概念和依据有助于加深对该领域研究工作及评估技术应用的认识，从而为建立符合我国国情的焊接电磁环境标准及评估工作的开展起到积极的促进作用。