F(xin)ںܶͥ_ʼõůů?yn)ůƬůݗĸӾů@ҲǼ˵ůձطӳ
䁵ůǰҪُůܣ@(g)r(sh)ܶѾãmȻЈ(chng)ϳõĵůܷN࣬ÿNܲĵԺ̓r(ji)ͬҲͲ֪xķNˡô҂Ј(chng)ϳҊĵůܲķN
ă(ni)ݕ(hu)c(din)̿ƕ҂(hu)пY(ji)һѼbůĕr(sh)Ͳ(hu)u(chng)(do)ُˡ
֪R(sh)
PE-X(lin)ϩ
PE-RTߜؾϩ
PB۶ϩ
XPAP(lin)X(f)Ϲ
֪R(sh)
1PE-X(lin)ϩ
PE-XռWůЈ(chng)60%
һfPEXaPEXbPEXcǰa(chn)ʽ^(q)ֵģabW(xu)(lin)c(lin)h(hun)(lin)ʽIJͬQ?c)ϵһЩͨ^ߜأҲɢϵy(tng)õBӹܲ
PE-Xԭσr(ji)^(gu)(ni)֏SҌ(du)ԭϵSxʹîa(chn)Ʒ|(zh)ױCڵůxĺʹ^@һc(din)ҪֵעxҎ(gu)I(y)Įa(chn)Ʒ
wPE-X(yu)c(din)ߜ͉ʩ
ȱc(din)ܟۺҪýٽ^Bӻٽ^ҲпܼBٽ^ɿBܣԼùߵʩɞĿǰܲƓpxBӷ(dng)Ȼ@ܼ(du)ˇͲϵҪOɿĽY(ji)(gu)Ƶęzy(c)Ҳ@ܼʹõǰ
2PE-RTߜؾϩ
ôB䲻Ҫ(jng)^W(xu)׃ǿ׃ƳɵĹܲՓƷ|(zh)(wn)ĹܲġߜdPEXܲƓpBӵҲһ
(jng)fPE-RTϩĿǰůЈ(chng)ҊĹܲҲǑ(yng)Ĺ֮ܲһһůԭϾЃ(yu)Խg͑(yng)_ܡ͵͜؛_ܳL(zhng)ˮܺϩ͟׃(dng)pĕr(sh)ßBޏ(f)ͨJ(rn)PE-RTϩůܲm60κβůϵy(tng)ʹ
һԒY(ji)PE-RT|(zh)(wn)ԃr(ji)ȸů©ˮͬСɣԄ(w)xƷƮa(chn)Ʒ
3PB۶ϩ
PBܵԭϞ۶ϩϹܵ“ܛS”u(y)PBp͉͛_͵͜ߜܺ100rL(zhng)ʹãPBůgԸеůõcϩܲһӿM(jn)ПۺͺӣBӿɿPBr(ji)^FFxʹõ֮١
4XPAP(lin)X(f)Ϲ
XPAPQXܹܣ(ni)(c)MɲͬҲ͘(gu)NXܹܡ
1(ni)(c)ϩgXһˮܵ
2(ni)Ӟ齻(lin)ϩӞϩ
3(ni)(c)齻(lin)ϩ
(yu)c(din)ߜأ100%P(gun)ܲĵʹÉҪ
r(ji)FĿǰҪڸʽ͵ůБ(yng)^?yn)ʽů]лʹüܹܵÛϵ(sh)^ȻXܹܻһγ֮ͲΠbΠ^(wn)
Xܹɢϵy(tng)ܲĕr(sh)(jng)ûoܼb(dng)ȻS˹M(fi)õĸߝqԼ(du)ЧʵҕЈ(chng)~ȻԽԽɞ
˺PP-RҪӛסPP-Rǽˮߜh(yun)PERTPEXҲXPAP PPRܿߵl(wi)gNϴůܲPPRǽ^(du)õ
F(xin)҂ᘌ(du)ůܲĵԁ킀(g)
1?ji)BCM(jn)˹ܵM(jn)ܵ(hu)Y(ji)ڹܱϜpСˮůضȾƫ՚(hu)ɵůϵy(tng)вֽO(sh)ĸg
PB=Xܹ>PERT=PE-x
2g/ɏԽgʩԽˎҲ_ģ
PB>PERT>PEX>Xܹ
3ɷɟۄtýٽ^һ̶Ƚ^(hu)g^©ˮ
PBPERT
4r(ji)ֻfһrƷƿв
PB≥Xܹ>PEX>PERT
֪R(sh)
r(ji)ԸߵPEܲô
ůܲĵıƷ|(zh)õĵůܲı^⻬@ɫs|(zh)ҵůܲ϶ůܲĵ̖(ho)Ҏ(gu)Ʒõĵůܲӡֱ^ҲÓ
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