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1.
PERTPeǾϩPertǸPeַQߜؾϩܜض60oܛϻϷʹ^ࡣöС^(q)ɢI(y)ĵĵůضȿܕ60Ӱ푉ɰȫ[há
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2.
PERT-2ҲߜؾϩLܜض70̕r95ȣѽ(jng)^mϱйůҪ_70ˮصС^(q)rҲ^m(dng)PertҪF
3.
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һЩůSԭГٵֶ廨TñĤPE80PE100ܲ(ˮ)PERTPERTIðPERTIIßoҎ(gu)۾۶ϩPBR(ؼtɫ)ðPBPPBϻPPHðPPRijijƵA䌍PERTܡڛ](bio)ʾԭ͑`Ԟܲ
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