̽ӑӰ푙Cеӹȵc

rg2022-06-28 01:42:25 Cе/ع/IԄӻ

̽ӑӰ푙Cеӹȵc

1

ļӹ|DZCCеaƷܺͮaƷĻACеӹ|ָЃɷ漴ӹc|ڙCеӹ^УڸNصӰ푣ʹߺ͹g[1]_λðlƫƣӹcҪȫϣߵķϳ̶ȿÙCеӹȺͼӹ`ʾӹָӹČH׺΅ߴ硢Πλãc׺΅ķϳ̶ȡӹ`ָӹČH׺΅ߴ硢Πλãc׺΅ƫx̶ȡӹԽߣtӹ`ԽС֮Խ󡣼ӹȵĸߵԇP˜ʁʾ

2 @üӹȵij÷

1@óߴ羫ȵķԇзچμСa{ڳߴ絶߷aʸߣsԄӿƷya{

2@Πȵķ܉Eõ\܉EγɹΠε߷ɵеΠγɹΠչɷаjγɹΠ[2].

3@λþȵķҪəCȡA߾Ⱥ͹bAȁC

3 CеӹȵӰ

3.1 ˇϵyĎ׺ξȌӹȵӰ

3.1.1 ӹԭ`

ӹԭ`ָ˽Ƶij\ӻƵ݆Mмӹa`磬LXӹõX݆LЃɷN`X`ϵyð׵»΁Uֱ΁Uu_΁UڝLXޣHӹXһl۾ՓĹ⻬u_вͨ^ýƵij\ӻƵ݆mȻӹԭ`ɺC򵶾ߵĽYaЧʣЕrܵõ^ߵļӹ[3].ˣֻҪ`^ҎľҪaܵõVđá

3.1.2 C`

C`ɚw{飺C܉`CSD`C朵`

1SD` SD`HDScDSƫNʽ

ӣǶȔ[ӣSZӣD1ʾ

ӰSDȵҪSб`Sg϶SgͬS`SiS׵ͬS`SϵyĄȺ͟׃εȡSDȵӰ푴СSӹʽͬ

2C܉` ܉Ǵ_ҪλõĻʣҲ\ӻʣ`ֱӰ푱ӹľȌ܉ľҪҪУˮƽȵֱڴֱȵֱȣǰ܉ƽжȣŤ܉`ӹȵӰ푣܇r܉ˮƽȏǰ͹tF`[4];͹tF`D2ʾ

3C` ָCȂʼĩɶ˵ĂԪg\ӵ`һÂĩԪD`aԭǂиԪ`b`ĥpȡX݆iijһr̮aD`$Ui,tɂĩԪD`Ki$Ui,KiԓSĩԪĿӱȣQ`fϵKi1t`U󣻷֮KiС1`sСӼӰ푵Ŀ͞EKi$Ui.

3.1.3 ߵĎ׺`

bA`߰b`ߴ絶ߣ߳ߴ羫ֱӰ푹ߴ羫ȣεߣΠֱӰ푹ΠȣչɵߣΠȕӰ푹ӹȣһ㵶ߣ쾫ȌӹȟoֱӰ[5].

3.1.4 {`

ڹ{ڵ`{`һ{ڵ`@һӰ푲׃

ӹдڶ{ÿȫͬȫfÿ{`żȻ`

C{`ߴֲĵƫ

3.2 ˇϵy׃ΌӹȵӰ

ˇϵyӹܵУTAoȡˇϵy@Щ£a׃Ρ@N׃ΌƉк͹֮g{õ_λPϵĶaӹ`ˇϵyĄȌӹȵӰ푚w{гҊʽcλõ׃aĹΠ``ӳëӲȲʹa׃ˇϵy׃S֮׃aӹ`ˇϵyʹˇϵyijЩh׃ζaӹ`D3ʾ

3.3 ˇϵyğ׃ΌӹȵӰ

ˇϵyڸNԴӰ•a܏s׃Σ¹aӹ`ˇϵyğ׃ΌӹȵӰҪ֞Ž׷NC׃ļӹ`CܟԴӰ푣֜l׃ڟԴֲIJ͙CYďsԣCl̶ͬȵğ׃ΣƉ˙CԭеĎ׺ξȣĶ˙Cļӹȣ׃ļӹ`ʹa׃εğԴʹa׃εğԴᣨҪcⲿԴͬrͬļӹͬĹϡYͳߴܟ׃Ҳͬ[6];ߟ׃ļӹ`ߵğ׃Ҫģoߵğm࣬ڵweССҟּ֣ԮaܸߵĜ

4 ߙCеӹȵĴʩ

1ֱӜp` ֱӜp`aБ^Vڲaӹ`ҪֱMpٵķ磺LS܇͟Ӱ푶ʹa׃ΣFáMo,o֮ԏɺ피⣬MһLΣD4ʾ

2`a `a˞һNµԭʼ`ȥԭˇϵyйеԭʼ`Ķpټӹ`߼ӹ[7].

3`DƷ `DƷ|njˇϵyĎ׺`׃κ͟׃εȣDƵӰ푼ӹȵķȥ磬зֶȻDλĶ๤λӹDλܼӹĹֶȡDλ`ֱӰPļӹȡ􌢵ߴֱbDɌDDλr؏Ͷλ`DƵȿ׼ӹ`з򣬿ɜpټӹ`Įa߼ӹ[8].

4ԭʼ` ëȻϵļӹȣDzġ@rɰëϵĹߴ`С֞nMÿMë`ͿsСԭ1/n,Ȼ󰴸Mƽߴքe{cλû{λԪͿɴsСijߴɢaЕ@NrļӹȷҲ򣬵ëϵӹİƷ̫ͣλ`ӳ`^ܱCӹ[9].

5͵ؼӹ Cbλپӹ`Ӱ푡ţ^١Tٹ_bCMСԡӹԱCMƽжȣƽĥ_bĥԡӹڙCPƽƽֱȣצͬSȡ

5 Y Z

ڙCеӹ^У`Įa܉⣬ֻнYϾwr`FԭMԔM܉ȡČߜpСӹ`ĶߙCеӹľȡʹӹ`Sɷ֮ȣĶCļӹ|

īI

[1] ƽCеӹ`ķ[J].ߌ 20054 124-125.

[2] Cе켼g[M].CеI磬 1999.

[3] 򡣹ˇϵy׺`ӹȵӰ[ J].ƼϢ 20044 56-58.

[4] xwRطNӹİ[M].CеI磬2004.

[5] 㑡칤փ[M].չI磬 1993.

[6] R㡣Cе켼g[M].CеI磬 2005.

[7] 壬w䡣CеӹˇAc[M].ߵȽ磬 1999.

[8] O־ңԬοƽֵ2棩[M].Ͼ|ϴW磬 2002.

[9] Ч硣ؼg[M].hƌWg磬200.

[10] ϯӽܡؙCӹˇcS[M].Lӳ磬 2003.

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