ʲôC50ָC50ָôӋ
2020-11-28 11:45 ϷؔW(wng) www.travelwithnise.com
C50Cָָwϵ֮еһNC50ͨ^(gu)ƌW(xu)ķx(li)ϺCȯҎģ(dng)ԺдԵ50֧ƱMɵĘӱC50Á(li)ӳϺCȯЈ(chng)KЈ(chng)ӰI(y)P(pn)İl(f)չrҪϺM(jn)йƱُI(mi)Ԓ(hu)ͨ^(gu)C50׃rķ(li)QُI(mi)ԼُI(mi)
C50 ָ2004 1 2 ʽl(f)Ŀǽһ(g)ɽSҎģ^ҪڹAͶYָ
Ʒ
ϺCȯ
1ӱx
һ ӱgC180ָӱ
ӱ50ֻƱ
xӘ˜ʣҎģ(dng)
ģ xӷֵɽ~ƱM(jn)оCȡǰ50 λĹƱMɘӱЈ(chng)F(jng)(zhun)ίT(hu )JӱĹƱ
2ָӋ㣺
C 50 ָSәӱɵ{ɱM(jn)мәӋӋ㹫ʽ飺
ָ=ڳɷݹɵ{ֵ/ * 100
{ֵ = ΣЃr(ji)×{ɔ
P(gun)x
ٷ
W(xu)Ժ(zhun)^
ؔԃ(xn)C pɿq