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' AE EF AEDDCFEF" EF DCCAF AAE C AA=<?A A A AECD $ EE F! B E*9 A-EF γ + + = D $A>EDCC FECECCD AEFEFFA CD AEFF FEF AA )(CEACD $A>EDCC DEADEE &ECAF $EF,, +, + = + γ γ + ;EA!., <.F $CDE,, <-EACDE, B C*' EFCD $A " 7, <7CE AAACCD AECDE, =<.FEF" EACCD AE <1C $AC AA. <.F $ACCD AECDE
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$ACD(EFF CCDEDAFDFAD A EF: EEEF FDEDCA AA FAECD $! =, D )AEA1FCACF $FFC ACE"AC DE,FADEF DCFE CFCEF DCCEFAC:EA 9ECAF CEF = $ F EFACE VC CF D ;BA,666C6P65,6 @6G6CG6E5656,C6 2CW,*7CEFF EFACE @DEF DCF AB7BB C D DF ' F FDC &CCD(ED EAA $FEFDCEF CF A EFFDE E C"E&$AFD )FEEA CA F D $A
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ρb ρ γ B + / B = ( $ B +,) ρd ρ γ D + / D = ( $ D +,) 1AFEFFEFFEC AFCFF D FD EF! B C = π, B B D C = π, D D.CFEAEF DAEFEECEFACD $F $;<;CEFDEF 7E C.@ ED ECEFFDCAEFACC ;& K '&(&-#*$ $#*$ Q<46ZQ<CGZQ<46ZQ<CGZ @@@@@@@@ 66 6 6C 6P 65,6 64G 66C 655 *665 654 *66G 64G 66R,,6 6,,5 6EG 646 6P5 6G6 6E5 6EG 6C5 66C *66P *66C 66R 66 6EE *,6 *6C6 665 6CR 6R 64, 66C 6,R 6E6 6C6 6G, 6P6 *64 *6E5 666 6 6ER 6ER 66C 6,R 6,4 664 *6,R *6GC 21>1-E FAA A D EFD"FEF DAEF AB7B7B 6E6 )CE VADCDCAAAC EAC FED EF ACA FE DCAEAA EAC AEADAEAACDC 1F"E(CECCDCAECE VDDDAGZ
DE& EDE V<66GDDAPGZ DE& E A"F EV<C5PEFE FAA AECDCF"ADAEEC EA F FEF EFAFEE EAEFECEF F1CA FEFAEFFDAD C &CEFCEFA EFDE D $F A AB7B7BB 6E6 D CD.CDCFAEDB,CEFE FAA AFF"EECC $AC CECACEADE"ADAEECCEEA E;<G6 - @ 1B1E,B5 B5 EB5 CB5 GB5 PB5 RB5 E,BE 66R 6P 65, 6P GG,R 4R5,G4 64C4 65GP 6RC 6P64 6CPP 6E,G 6,G4 [ B D,7CDCA-ED 2CE-E FAA ACDCFA EDAA E;<G6
AB7B7BAB 6E6 D EFE F AA ACDCF F FB,EAAAC DCEA DQEEF A CCC QZ @ 1B1E B D,E7CDCF G,6,G 6 G E6 EG C6 CG G6 GG P6 PG 5 66G 64 6RG,GP E,6 G,R 4P5,RE E, GP,6P 6P C5P \ 64P 65G 6RR 6P4 6P,E 6GEG 6CG5 6E5G 6E,G 6G 6,4 6,ER 664, 6 21>1C-E FAA ACDCFF F AB7B7BB 6E6 D C DFD
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$ 00 = 66G 66RG 6,6 6,G 6 6G 6E 6EG 6C 6G,5,, 5 PG GG CG EG E G 65 21>1P-E FAA ACDCFA $ EC F )CE VCDCFDFDEC FFDA E ACB,GEFAE D $ C C 0 ADC SC'%2)%] C# F4R*E,6
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