. (.9.5, ) l4, 1 j = j1, j2, j3 3 g = g1, g2 , g3. l1, l2, l3.
ABCDA, . x y,
θ, (9.5) (9.6)
, θ, :
ϳ 2l3l4 φ γ φ γ ( = 2, 2, 3)
,
(9.7) p1, p2, p3, (9.8)
. l4, l3, 3 g1, g2 , g3 (φ2 φ1) (φ3 φ1). l1, l2 ( 1) φ1.
(ω1). Axy , AD 1 (.9.5, ). (φ2 φ1) (φ3 φ1). g1, g2 , g3 ( 1, 2, 3). (=,=1, 2, 3), ,
. , , 瑺 12 32, 12, 23 . xi, yi ADiCs . :
, l2:
(9.9) xB, yB i l2 i .
xB yB :
1
( (xB,yB ) 1(x1 ,y1);
. Axy (.9.6) .
|
|
l1 i l2, φ1 1 () , xC1, xC2, xC3 1 () (φ2 φ1) (φ3 φ1).
, , (ω1). , . ≠0, .
12 23 12 23.
xi, yi ( = 1, 2, 3) :
,
.
(9.9) (9.12).