Ҏi(chng)iBֳg(sh)Ҫc(din)
ڱiBֳg(sh)ʹgHҪ䌍(sh)ʩ߹߀ҪӴϹھw(sh)ʩ^(gu)ҪڃɷM(jn)
ժҪҎBֳ^(gu)i(chng)BֳP(gun)iL(chng)rcBֳ(h)Ľ(jng)ЧҲһP(gun)ϵܶ(g)صӰ±iBֳg^(wn)}Ӱ(zh)iBֳЧ˴M(jn)iBֳg(sh)ðl(f)չڱҎi(chng)iBֳg(sh)Ҫc(din)M(jn)М\Ҫ
P(gun)I~Ҏ;i(chng);;Bֳg(sh)
BֳI(y)һ(g)(jng)ò˥a(chn)I(y)Ј(chng)ϾЏVİl(f)չǰ҇_(ki)ʼӴYl(f)չiBֳa(chn)I(y)S(zh)Ј(chng)r(ji)ձ齵iBֳɱҲ^M(jn)iBֳa(chn)I(y)Ҏl(f)չҪÿƌW(xu)Č(sh)üg(sh)@ӲܞBֳ(h)߸ཛ(jng)Ч
1߹
߹܉ʹiܼĸȾ鱣i^ڲL(chng)^(gu)ܲgӰ푱il(f)չʹiL(chng)ҪñiBֳg(sh)ӏ߹߱iM(jn)佡L(chng)ھw(sh)ʩ^(gu)һҪăɷ挦һ߹Ҫ˽һЩirұ^Bi(chng)M(jn)п_ĿǰеҪ߲Щ[1]
Ȼi(chng)ڵ߲M(jn)бOyԜʴ_Д߲l(f)IJNͼ_iǷвᘌԵ߳HC˱iĽL(chng)߀˱iڌiM(jn)Bֳ^(gu)߀ҪίĿǰֵҎģBֳ(chng)ÿصˎiM(jn)ίԱiĽL(chng)BiiČ(sh)Hl(f)rúmĿˎͿƌW(xu)ίίĶ鱣iĽl(f)չṩЧ[2]
2Ϲ
ڱiBֳg(sh)ʹgHҪ䌍(sh)ʩ߹߀ҪӴϹھw(sh)ʩ^(gu)ҪڃɷM(jn)һι鱣igͬCwc(din)Ҳͬ˱CiĽL(chng)ڌiM(jn)ιʳgP(gun)BˆTһҪigxmM(jn)ιʳһiϵyİl(f)ȫl(f)ȫ@һc(din)һ(g)uM(jn)^(gu)YϱigQҪĴιʳһ(sh)F25%ēQ
ڶΈ50%QΈ75%Q(sh)FȫQԱ⑪l(f)M(jn)iȫl(f)ͬr(sh)ڌiM(jn)ιʳ^(gu)߀Ҫϵıܹ˱Cϵr⌢ڳꎰ̎߀ҪڌϲM(jn)pϲ۴ڵIJĶⱣiM(jn)ʳgܵΣ[3]
ƌW(xu)ˮBˆTһҪԓĹCi܉ƌW(xu)Чˮiˮ^(gu)߀עǣһڞ鱣iṩˮgҪṩˮeDŽM(jn)뵽iȺеıiiw،ҪxڶڌiM(jn)Bg߀ҪˮĬFiܹˮFӰ(hu )ʳFӰ푱iL(chng)iČ(sh)HL(chng)rԌSصȼ뵽ˮ@ӲH߱iĵֿ߀ܚP(gun)IJԴﲡ
3iȺ
iȺ^(gu)ҪóֵĜʂ乤ڱiȫl(f)ҪŵЌ(sh)FBֳ^(gu)ڈ^(gu)ǰ߀ҪP(gun)A乤һM(jn)˷ֹȵĴԭΣȺһҪM(jn)ڈgP(gun)BˆTҪM(jn)ȫͨ^(gu)߉_ϴȫ坍ڶ߀ҪOʩM(jn)ЙzҪеˮrM(jn)ЙzˮǷ©ˮˮFz㲿ڹφ(wn)}P(gun)SˆTҪ̎
ڱҲҪľ(xin)·M(jn)ЙzFҪr(sh)ޏȵĜضM(jn)кyһrimϵĜضȞ28ڱi뵽֮ǰҪضM(jn)Мyʹ܉ںmĜض½L(chng)
Ȼǰӏ^(gun)칤iһ(g)µĭh(hun)Ҫһ(g)m^(gu)iM(jn)M(jn)Ҫiʳrˮr\(dng)rͶrM(jn)^(gun)Ci4YZ(y)ϵķl(f)F_iBֳg(sh)ЧBֳ^(gu)һҪӏ߹BԼiȺίڱCiL(chng)ͼİl(f)M(jn)Bֳ(h)@øЧ
īI
[1].Ҏi(chng)iBֳg(sh)[J].rI(y)2016(19)95-96.
[2](mng)m.njʽFi(chng)a(chn)ˇOӋ[D].ŰĴrI(y)W(xu)2013.
[3]y(sh)ǾW(xu).҇iҎģBֳİl(f)չڅc(dng)[J].Їs־2011(22)49-52+70.
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