equation icon  guu = - f [1 + r2e1(r)E *]+ O(r3/R3), (562) gur = - 1, (563) 2- 3[ * *] 4 3 guA = 3 r e2(r)EA + b2(r)BA + O(r /R ), (564) 1 [ ] gAB = r2_O_AB - --r4 e3(r)E*AB + b3(r)B*AB + O(r5/R3). (565) 3