Equation Icon  ′ 2 ( i′′ i′′ i′′ i′′) M B = − 3c5 D ED E + DM D M , (331 ) 1 P i′ =--- Dk′E′ DjM′′𝜖kji, 3c4 J k′ =-2- (Di ′′Dj′+ Di′′Dj ′)𝜖 , 3c3 E E M M ijk