Comment on "Measuring propagation speed of Coulomb fields" [R. de Sangro {\it et al.} Eur. Phys. J.C (2015) 75:137]J H Fieldmag(2015)引用 22|浏览0AI 理解论文溯源树样例生成溯源树,研究论文发展脉络Chat Paper正在生成论文摘要