I-第3章 扭转n
U PLQ
Q
PD[
P
1
u
3
7
PP
G *3D
* 3
u
*,7O
M 3S 3PD[u
u u u
O '*O ,)
7*,,'7M M W 03D
3
7
u
u
u u u
G PP O
P
u
u
u $
3
u
u u u u u *,7O M 03D
PD[ W W W %$03D
PD[ u G &W W
u *
&&W
J
&
D
3
H
*,D 0D
*,0
3
H PD[
W
3
H
*,D 0$%$&M M
U PLQ
N:
3
N1
PD[
G 7
$%
PP
N1
u
3
$
*3D
(H 07 S
H
*,O 02222
M
V G
22'
M V G
*,O 022' S
H
S
H Q
'
(V,G O 0*22
PP
Q
u u u u u u (S
,O 7*M
*3D
Q u
u
G G ':
:
G 'G
'
G
3
O
[O G G G *
[
7
@
>
3 O [G G O G [G G O G G G *7O
@ >@ G>
u
G G G G G G *7O O
G O
G G G *7O
U PLQ
Q
P
u u u u
G
u
u u u u
G P
N1 $0P
N1 &
0*3D
*
P
N1 PD[ 7
3
PD[PD[
PP
P
3
*,7O
M
PP
t G
G PP
P
N1
&0
@
>
@
>
(%
>@03D
W *3D
*
u d u
u
G W PP
PP
G
G
H
0$
*
W
J
H H
H *3D
*
P
N1
u u u
u u u u
*,
O 79
G
G
O [*,P
S S
*,O P
'
PP
G
)5N
W 03D
u u u u u u
Q
)G
PP
FP
5FP
5
5555*G
)Q O
'
S
W
Q
55
5
5
>
Q 555))57D
D G D
G G 5[
>
P
N1
H 0
W E ,D
$
$
u u u u c M
W $
$ u u u u u c *,7
K M
H