OH OH OE y OH. OH OE V×H=C E at at (3) Ox OHOH、 FE t 同理 OE OE y ot OH V×B=-}ot at OE. OE OH ax dy同理×Δ = Ht  E m  y   z E  z Ey  z   x E  x Ez  x   y E  y Ex (4) =  t Hx m  t Hy = m  t Hz = m × Δ = tE  H e  y   z H  z Hy  t  Ex = e  z   x H  x Hz  t  Ey = e  x   y H  y Hx  t  Ez = e (3)