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ε −> ( ε ε,*2/+ε, 1 ,- & / ε = # & ∑ # ∑ θ ε − # 8 =& # =& 2 − 2 8 / −& & / −& ? / , 1$ @ E 11F$ 29 1 B+0 , , " 1, 7B2:+;, " 19 " 1 ,2" 1" 4A6 ) " , " ?$" 1> , 3" " " -/< , 19"$ 142 '$ " " , ,0".= 456G /< , 1 , 1$'G /< , 1 1$ ' ) , 1 ' 3" " "$ , , , . 3" " " 3" 3" ,, ' , "$ , " " 1 , 3" " 1$ 1$ 1 % , " '$ 2 3" " , 1 8 1 $ " , 18 " ) " ,3"$ ,"! , *$ " ," 1 ,$3""!" %"'/ " ,- 1 ε > "& / ) , A > , 2 , & , 3"* , , ? , 1 ,0 ." 2 " " 2 , 1 " 1 3" 3+ , 1 ,"2 8 " !2 3" , " , " 1 , ,- , 1 2 "+ , > , 1" $ " $ , , , 1 " " 0 > , " " " " $""$ $ " $ " , 2 , + , + , " @ BCB ) " , , , " , $ " " , " , 1 " " , 1 $ , 1 % . ,0 " " , 1 , , 2 , ," 456 , !2 ,"! . "2 , 1 , 2 8* " , , ) " 8 . ,0 , 1 , 1 > , , 1 '/ " " , " ,"! , , 2 0 " 2 , 7B 4&?6 >8 1 , 14D6- / ε & "&-" , 1 ) ,$ " " $ " " , , ," , ) , , , 1 " " , A?$ , " " , 1 " $ ! , "$ $ " 2 , - ∞ A η = ! ( + ∑ $ H ω H + φ $ ",$ ! , , 1, > 1 ", 3" " 2 , 1 ,1, , , , " , 1 4&6 =& η+, 1 " , !$$, "$ω" 2 φ), E F I", , " ) , A 2 1 " " " 3" $ , 7"$ , ,1 $ " , 1 ,0 " 2 " . ,0 , , , "2 ,,"2 $ " ," ) $ 1 , ,$ " "+ $ $ " " " ,$ , 1 8 1 A 2 3" , , ," , , $ ;, !, 2 8, , 1 " $ 3" " , , 1",0 $ , $ " 1 , , " " " 0$ ,, , 2$ " $ , , , 4&624?6"23"",3" 1 )",3" ," , ) , ,, ", 8 1A$ , " " , ) " , " $ 0"$, $ "3" 1 ", " %, ,8 ,2, ,,*>$" "," ε →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