ݹYӋ(j)㷽
(һ)I(lng)ȡB(yng)Ͻėl
˻B(yng)ϱU(xin)U{ˆTM60ܚqŮɲM55ܚqŮM50ܚqNM55ܚqŮM45ܚq19971231ǰӹU{B(yng)ϱU(xin)M(fi)ҕͬUM(fi)Ӌ(j)M15199811ԺӹU{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
1199811ԺӹUM(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)Ͻһ걾ƽY20%;
(2)(g)ˎB(yng)Ͻ𣺱ˎ(ch)~1/120;
(3)Ca(b)N125Ԫ;
(4)^B(yng)Ͻ
a=ݕr(sh)ƽY
b=ƽc(din)Y
c=97ǰUM(fi)
^B(yng)Ͻ=abc1%
ƽc(din)YӋ(j)㷽ʽ:
n=ƽY
m=걾ƽY
b=(92n/92m+93n/93m+94n/94m++һn/һm)/I(y)1992һ갴Ҏ(gu)U{B(yng)ϱU(xin)M(fi).