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F(xin)ںܶͥ_(ki)ʼõůů?yn)ůƬůݗĸӾ򣬸ů@ҲǼ˵ůձطӳ

 

䁵ůǰҪُ(gu)ů@(g)r(sh)ܶѾãˡmȻЈ(chng)ϳõĵůܷNÿNܲĵԺ̓r(ji)񶼲ͬҲͲ֪xķNô҂Ј(chng)ϳҊ(jin)ĵůܲķNɡ

ă(ni)ݕ(hu)c(din)̿ƕ(sh)҂(hu)пY(ji)һѼbůĕr(sh)Ͳ(hu)u(chng)(do)ُ(gu) 

 

֪R(sh)

 
 
Ҋ(jin)ůܲ

 

PE-X“(lin)ϩ

PE-RT͸ߜؾϩ

PB۶ϩ

XPAP“(lin)X܏(f)Ϲ

 

֪R(sh)

 
 
ܲĂc(din)

 

1PE-X“(lin)ϩ

PE-XռW޵ůЈ(chng)60% 

һf(shu)PEXaPEXbPEXcǰa(chn)ʽ^(q)ֵģabW(xu)“(lin)c“(lin)h(hun)“(lin)ʽIJͬQ?c)ϵһЩͨ^͸ߜأҲɢϵy(tng)õBӹܲ


PE-Xԭσr(ji)^󣬇(gu)(ni)֏SҌ(du)ԭϵSxʹîa(chn)Ʒ|(zh)ױCڵůxĺʹ^(gu)@һc(din)ҪֵעxҎ(gu)I(y)Įa(chn)Ʒ

wPE-X(yu)c(din)͸ߜأ͉׏ʩ

ȱc(din)ܟۺҪýٽ^Bӻٽ^Ҳпܼ(li)Bٽ^ɿBԼùߵʩԣɞĿǰܲƓpxBӷ(dng)Ȼ@ܼ(du)ˇͲϵҪOɿĽY(ji)(gu)Ƶęzy(c)Ҳ@ܼʹõǰ

2PE-RT͸ߜؾϩ

ôB䲻Ҫ(jng)^(gu)W(xu)׃ǿ׃ƳɵĹܲՓƷ|(zh)(wn)Ĺܲ͸ߜdPEXܲƓpBӵҲһ 

(jng)f(shu)PE-RTϩĿǰůЈ(chng)Ҋ(jin)ĹܲҲǑ(yng)Ĺ֮ܲһһůԭϾЃ(yu)Խg͑(yng)_(ki)ܡ͵͜؛_ܳL(zhng)ˮܺϩ͟׃ܡ(dng)⵽pĕr(sh)ßBޏ(f)ͨJ(rn)PE-RTϩůܲm60κβůϵy(tng)ʹ

 

һԒY(ji)PE-RT|(zh)(wn)ԃr(ji)ȸߣů©ˮͬСԄ(w)xƷƮa(chn)Ʒ
 

3PB۶ϩ

PBܵԭϞ۶ϩϹܵ“ܛS”u(y)PBp͉͛_͵͜ߜܺã100rL(zhng)ʹPBůgԸеůõcϩܲһӿM(jn)ПۺͺBӿɿPBr(ji)^FFxʹõ֮١
 

4XPAP“(lin)X܏(f)Ϲ

XPAP׷QXܹ(ni)(c)MɲͬҲ͘(gu)NXܹ

1(ni)(c)ϩgXһˮܵ

2(ni)Ӟ齻“(lin)ϩӞϩ

3(ni)(c)齻“(lin)ϩ

(yu)c(din)͸ߜ100%P(gun)ܲĵʹÉҪ

r(ji)FĿǰҪڸʽ͵ůБ(yng)^?yn)ʽů](mi)лʹüܹܵÛϵ(sh)^(gu)ȻXܹܻһγ֮Ͳ܏ΠbΠ^(wn)
Xܹɢϵy(tng)ܲĕr(sh)(jng)ûoܼ(li)b(dng)ȻS˹M(fi)õĸߝqԼ(du)ЧʵҕЈ(chng)~ȻԽ(li)Խɞ

˺PP-RҪӛסPP-Rǽˮܣ͸ߜh(yun)PERTPEXҲXPAP PPRܿߵl(wi)gNϴůܲPPRǽ^(du)õ

 

F(xin)ڣ҂ᘌ(du)ůܲĵԁ(li)(g)

1?ji)BCM(jn)˹ܵM(jn)ܵ(hu)΢Y(ji)ڹܱϜpСˮůضȾƫ՚(hu)ɵůϵy(tng)вֽO(sh)ĸg

PB=Xܹ>PERT=PE-x

2g/ɏԽgʩԽˎҲ_(ki)ģ

PB>PERT>PEX>Xܹ

3ɷɟۄtýٽ^һ̶Ƚ^(hu)g^©ˮ

PBPERT

4r(ji)ֻf(shu)һrƷƿв

PB≥Xܹ>PEX>PERT

 

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ôxPE

 

r(ji)ԸߵPEܲô

ůܲĵı棬Ʒ|(zh)õĵůܲı^⻬͹@ɫs|(zh)ҵůܲ϶ůܲĵ̖(ho)Ҏ(gu)Ʒơõĵůܲӡֱ^ҲÓ

Cu(png)r(ji)PBFPEX͸ߜܸPERTãXܹܿ?ji)B(qing)wxԸ(j)A(y)ԼʹҪ(li)
 

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