Ɇη(w)ƽ_СappԴa_l(f)To2oƽ_
Ƽаl(f)Դaעܛаl(f)10꣬ИI(y)ԴaRȫgӭguocingertong
_l(f)һɆη(w)ƽ_ҪXИI(y)߅һN_l(f)ʽ(yng)ĹͳɱDzһӵ
1NƷ_l(f)
_l(f)˾ǰ_l(f)һɆƽ_ϵy(tng)ô͑X@ӵĹܿԝMҪֱӲُ(w)Ϳ_ʼϾ\I@ӵijɱ͵ģϾҲărһڎǧfҡ
2N_l(f)
͑Ҫ_l(f)õTϵy(tng)һЩµĹܺµ뷨@ж_l(f)frgͳɱҪȵ1N_l(f)ʽҪ(j)͑r1f2f
3Nȫ¶_l(f)
ȫտ͑뷨_ʼ_l(f)_ʼԭ͡O(sh)Ӌ_l(f)͜yԇôDZ^L1~2_l(f)ɱԒ3~5f֮g
ô͑Ը(j)ԼҪA(y)xmԼ_l(f)ʽϾռȫǵărֵI(y)(w)

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