(dng)ǰλã߿W(xu)W(wng) > B(yng)ϱU >
I(y)B(yng)ϽǸ(j)UM(fi)vUM(fi)(sh)ݕrȫʡڍƽY{(dio)ȫʡȫڏ(zhn)λ͘I(y)ˆTƽYݕrg͂~L~ӋÁôµĺݺB(yng)ϽӋB(yng)ϽӋ㷽ʲôСP(gun)֪R
(һ)y(tng)IB(yng)ϽӋ㹫ʽ
y(tng)IB(yng)Ͻ=(ȫʡڍƽY+ָ(sh)ƽUM(fi)Y)2(ҕͬUM(fi)+HUM(fi))1%
ʽбָ(sh)ƽUM(fi)YӋ㹫ʽ飺
ָ(sh)ƽUM(fi)Y=ȫʡڍƽYƽUM(fi)Yָ(sh)
()~B(yng)ϽӋ㹫ʽ飺
~B(yng)Ͻ=~~±g(yng)Ӌl(f)(sh)
ʽСg(yng)Ӌl(f)(sh)飺
g Ӌl(f)(sh) g Ӌl(f)(sh) g Ӌl(f)(sh)
40 233 50 195 60 139
41 230 51 190 61 132
42 226 52 185 62 125
43 223 53 180 63 117
44 220 54 75 64 109
45 216 55 170 65 101
46 212 56 164 66 93
47 208 57 158 67 84
48 204 58 152 68 75
49 199 59 145 69 65
70 56
()^B(yng)ϽӋ㹫ʽ飺
^B(yng)Ͻ=ȫʡڍƽYƽUM(fi)Yָ(sh)(ҕͬUM(fi)+~ǰHUM(fi))1.4%
()y(tng)IB(yng)Ͻ^B(yng)ϽеıƽUM(fi)Yָ(sh)酢˱˚vUM(fi)Yָ(sh)ƽֵ˱ˮ(dng)UM(fi)Yָ(sh)鱾ˮ(dng)UM(fi)Y~һȫʡڍƽYҕͬUM(fi)ąˆTҕͬUM(fi)ÿָ(sh)ҕͬ1.0
ƽUM(fi)Yָ(sh)Ӌ㹫ʽ飺
=(X1/C1+X2/C2+X3/C3++Xn/Cn)N
ʽШ鱾ƽUM(fi)Yָ(sh);
X1X2X3Xn酢ǰ12ꡢ3ꡭnꮔ(dng)걾UM(fi)Y~;
C1C2C3Cn酢ǰ123ꡭnȫʡڍƽY;
N酢ӋUM(fi)(ҕͬUM(fi))ԡꡱλӋ_С(sh)cλ;
ݮ(dng)겻Ӌָ(sh)UM(fi)(sh)ӋUM(fi)
ǰݲو(zh)ÿǰһpl(f)2%B(yng)ϽҎ(gu)
_(d)ݺB(yng)ϱU
rg2023-12-04 01:0:39VݺB(yng)ϱU
rg2023-12-04 01:0:11eݺB(yng)ϱU
rg2023-12-04 01:0:33ϳݺB(yng)ϱU
rg2023-12-04 01:0:42