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    ݹYӋ(j)㷽Ӌ(j)㹫ʽ

    ˼˼W(xu)W(wng)

    ݹYӋ(j)㷽

    (һ)I(lng)ȡB(yng)Ͻėl

    ˻B(yng)ϱU(xin)U{ˆTM60ܚqŮɲM55ܚqŮM50ܚq⹤NM55ܚqŮM45ܚq19971231ǰӹU{B(yng)ϱU(xin)M(fi)޺ҕͬUM(fi)Ӌ(j)M15199811Ժ󅢼ӹU{B(yng)ϱU(xin)M(fi)Ӌ(j)M15;ݺܻB(yng)ϱU(xin)UM(fi)Ӌ(j)MҎ(gu)޵ݺܰI(lng)ȡB(yng)Ͻ䂀(g)~(ch)~һ֧oͬr(sh)KֹB(yng)ϱU(xin)P(gun)ϵ

    ()B(yng)ϽӋ(j)l(f)k

    1199811Ժ󅢼ӹUM(fi)Ӌ(j)M15B(yng)ϽɣA(ch)B(yng)Ͻ(g)ˎB(yng)ϽɲֽM

    219971231ǰӹ199811պݣUM(fi)ҕͬUM(fi)Ӌ(j)M15ıU(xin)ݺI(lng)ȡB(yng)Ͻ

    B(yng)ϽɣA(ch)B(yng)Ͻ(g)ˎB(yng)ϽCa(b)N^B(yng)ϽIJֽMɣ

    (1)A(ch)B(yng)Ͻһ걾šƽY20%;

    (2)(g)ˎB(yng)Ͻ𣺱ˎ(ch)~1/120;

    (3)Ca(b)N125Ԫ;

    (4)^B(yng)Ͻ

    a=šݕr(sh)šƽY

    b=šƽc(din)Y

    c=š97ǰUM(fi)

    ^B(yng)Ͻ=abc1%

    šƽc(din)YӋ(j)㷽ʽ:

    n=šƽY

    m=걾šƽY

    b=(92n/92m+93n/93m+94n/94m++һn/һm)/I(y)š1992һ갴Ҏ(gu)U{B(yng)ϱU(xin)M(fi).

    T]