 iCiS BE  E.

E iCii +Eb x-i]{jE i Eh ={M {bi. iS in i Eix iS ={M i.

E EVS xn

nh E E Pi EVS xn Eh` iH G.8 {hi .  iCii E Vh { +i.  iCii -i M S nh ES E M S bS  EVS i{ |l . xi S S S xn Eh i E.  iCii EV EhEbx Pi i HS lS x, iS {k E x. 2 v  E E x. 3 v VSEbx  =v Pi iS x E {k . EV Ehi EhEi Pi iS =J E 4 v E. iS =v Pi S i{ (x, Vx)E 4 vS . EVS b V E V< iS xn Pi EVS xn V +i E + iS +i E x. 6  7 v E  E nh CE E x.8 v . iS|h =v Pi S { b E bS xn V +i =vS xn + iS +i E x.6  7 v E.

iH G. 8 : EV  nh ES xn.

EV  nh ES xn.

x :

 :

iJ EhEbx. EV EEi. iJ b CE (.)  +J nh (.)

EV =v   Ehi  Ei?

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M S

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S S

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 iH |iE xEi S +. + 12 xEi 12 iH  Mi.  12 iCiS +Ex Ex E iH E,  E iH E,  E iCix +JS i{ (Pi EV, b  nh)Ex <.  E iCix +{h nh  EV ES i{ Hx l ini i <.

h  =v GS xn

i i iE i:S i Ji E h { n H =v ni, iS  iS i i E {f i i, S xn l h` iH G. 9 S { E.  iCii iS n M S h ES i{ H . M S S =v GS S xn Ei. iCii E Vh { +i. EhEbx E h +i E V =v  E +, i S, HS x  {k E x.2 v , =v S i{-x Vx, J, xM  E 3 v , 

CE E 4 v . V =v  < i iS xn V +i + iS +i E.  iH |iE xEi S +. + S 12 xEi 12 iH i.  iCiS +Ex Ex E iH E.  E iCix  +JS n h ES i{ (HS, S, x h CE, Eq h?)Ex <.

 E iCixS +{h in {jEi h ES i{ nJi <. i  iH +lE S o]Ehix kS +. Eh +{h EhEhEbx Ei E h i +h + +. iMn x i i i  Eh MVS ]. h ES li V hV +{ b S Ei Mix {b S E{x i.

iH G. 9 : h ES xn.

x :

 :

h ES i{   +J

iJ EhEbx Eq CE (.) iJ CE (.) h (.)

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M S

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S S

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iS `  ] (vx)
i i V V i i i, ii |Jx xx vx, Ebvx, MiS vx, i, ii {ES =i{nx (E{ M), >, , V{ bii.  iS =i{nx Z iS ] E E Vi P E i iS Ei{ i, Ei E Vi?+h +J Ei E ?S  iH x. 10 v `. iCii E VZ { +i.
=i{nx  ni E x. 5  6 v i .  iCii V V `Eh S Vx +nV  + i {iS J .  iH |iE x S +. +J 12 xS 12 iCiS iS M i E. G E  V x E + iS x iS Ei v. P { S Ei lxE Vx E +h E  S Ei lxE Vx E.

iS `  ] (VxS S JE)
i J =i{nx n S =i{z i. =n. VS h, VS b, iS {b, =S b, <MS {, EbvxS E] <. iS Vx` Eb, h P =i{ni E Vi. + iS =fS xn iH G. 11 v E. i i Z + iS Ei lxE Vx v  Ei Pi S Ei JnS x v. E   lxE Vx v. Vx` Ei Pi S xn (JE, Sn, +h, {b <.  iCii E|h E.  iCii E Vh { +i.  iH |iE xEi i E. i 12 iH i. xi E iH (12 iCiS M i E.

iH x. 10 ii =i{ni Z   iS ]
iH G. 11 (+):i =i{ni Z  Ei Pi   iS ] (VxS S)

 ii {E BEh` G

+.x. iS x iS Vx ` Ei Vx Ei Vx Ei Vx Ei(.)

1 2 3 4 5 6 7 8 9 10

P {i -h BEh ] +J E

Vx Ei Vx Ei Vx Ei Vx Ei Vx Ei(.)

11 12 13 14 15 16 17 18 19 20

G& M J{` G& {f