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"+D=' = @B + Profile 9 0  pX(    < #" `p  PUSQdkYkHrh7h_     0  "p`   RUSQdkYkHroRh7h_   0L  "``  d*     0, "`   f*     0@# "`   f*   vB  # ,-BCE6FGjIQU*VWX @`@$ G") H0C   dA"޽h ?Light horizontal"` 3f3f___PPT10i. "+D=' = @B + 9 0 @ f(  x  c $8 Te     Z  ? X   B s * ޽h? 33y___PPT10Y+D=' = @B +s 9 0 P0(  x  c $ j   x  c $< "7   B s * ޽h? 33y___PPT10Y+D=' = @B +y 9 0  6(   x  c $m j  m ~  s *m Pe m B  s * ޽h? 33y___PPT10Y+D=' = @B + 9 0 $(  $x $ c $x$m Pe m B $s * ޽h? 33y___PPT10Y+D=' = @B +G 9 0 nf0(  0x 0 c $)m j  m x 0 c $8*m ; m ^ 0 6^ 0 6^  0 6  00 NA  ? ?J   B 0s * ޽h? 33y___PPT10Y+D=' = @B + 9 0 4(  4  4 <(\m I 0 "  4 0]  [t2 [NN n 6{USVG NbvS/fI{Nv (1)GX[(WN*NNo-hole-L(2,1)-hS (2)GveVX[(WT[ (3) 0U#CCCCCCCCCCC                   ^ 4 6d 4 C A  ?"?   B 4s * ޽h? 33y___PPT10Y+D=' = @B +y 9 0 `X6(  Xx X c $d_m ,T`t  m  X 0 @ 2  X 0Lc,;  v[1] HTX, pef[ggy, 2004(4): 233-330. [3] Shao J.Y., Zhang L., Yuan X.Y., On the second Laplacian eigen- values of trees of odd order [J]. 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