Equation Icon  b = 1r(g )2, (14) ,r 2 [,r ] [ ] ( ) 2 r4e2(g-b)U,r = 2r2 r2 b- - (sin-h-g),rh + 2g,rg,h , (15) ,r r2 ,rh sin2h 4 V,r = - 1r4e2(g- b)(U,r)2 + (r-sinh-U-),rh 4 [ 2r2 sin h ] 2(b-g) (sin-hb,h),h- 2 +e 1 - sin h + g,hh + 3cot hg,h- (b,h) - 2g,h(g,h- b,h) , (16)