(1)B′ =−∇×E, (2)E′ =∇×B−4πj, \begin{align} B'&=-\nabla \times E,\\ E'&=\nabla \times B - 4\pi j, \end{align} (3)A =(∫ tXXX  ∫ tYYY…) \begin{align} A &= \left(\int_t XXX \right. \ &\qquad \left.\vphantom{\int_t} YYY \dots \right) \end{align}