中文字幕在线一区二区在线,久久久精品免费观看国产,无码日日模日日碰夜夜爽,天堂av在线最新版在线,日韩美精品无码一本二本三本,麻豆精品三级国产国语,精品无码AⅤ片,国产区在线观看视频

      t(y)ƮI(y)Փ

      I(y)ՓһTnӋͨеȌI(y)WУߵȌƌWУԺУߵȽԌWԇƼоWvI(y)WI(y)һh(hun)(ji)錦I(y)WMпƌWоӖҪWڮI(y)ǰYԪI(y)׫Փ

      ժҪ

      Ŀģ̽ӑt(y)ίiǹ۵RЧ

      ĵоxԺ20xx01¡20xx01t(y)εiǹۻ30˱ڌȼо䄝֞錦սM͌MЌսM(15)ҪȡgίM(15)Ҫȡt(y)ί("Ą""岽")ί֮ӛ䛌ȃɽMߵĹrl(f)YrP(ji)Ļ֏rίMԼߵĿ͕rg

      YоMߵĹrl(f)YrP(ji)Ĺܻ֏rίMԼߵĿ͕rg@(yu)ڌսMߣɽM(sh)(j)@(P<0.05)нy(tng)ӋWxYՓ t(y)ίiǹ۵RЧ@H˻߹۵ʺͼP(ji)Ĺܻ֏pٲl(f)Yİl(f)ϻߵȫһߵĿ͕rg^ί|^ЧͻߵίM

      PI~t(y)ί;iǹ;RЧ;о

      i̎wļ弰عDZ֮gSιǼܣ֫w|gΨһB֧ܣmȻ̎Ƥw£Ƥw\»ײӰװl(f)iǹ۵riǹ۰l(f)ȫԹ۵510%߶ǃͯꡣRF(xin)ǻi̎ƤѪ[ÛԼʹڹ۵Ļ̎|۵Ĕˣi̎ĸc^࣬۵λ^@ԏλ̶^yͨ^̽ӑt(y)ίiǹ۵RЧ߻ߵί|piǹیߎӰ푡

      1Yc

      1.1һY

      xԺ20xx01¡20xx01t(y)εiǹۻ30䄝֞錦սM͌MЌսM(15)8Ů7g1028qƽg19qƽ2.2ҪȡgίM(15)g1128qƽg19.5qƽ2.3£Ҫȡt(y)ί("Ą""岽")30У18ߞ҂iǹ12ߞiǹ16ߌбι8ߌڙMй7ߌڷԹѽ(jng)ųڡˎ^ʷԼѪܼĻɽMߵĂ˻Y^(P>0.05)ʛ]нy(tng)ӋWx

      1.2ί

      սMҪȡgίwgE飺׌߲ȡP˄ݺڻ߻̎Ӊ||ӣo䁽Ȼt(y)ˆTĻߵļһֱiǵϷһп(Lȼs610cm)_ƤwƤ½M_۔֮ĤMЄxߵĻȱu·ֱλֹȡ610䓰䓰tڻߵiϷڴ_۶ѽ(jng)ȫλ֮ʹóֹQ̶εĔQMᔣ_ɂ3öᔹ̶ɺ󼴿_ֹQ󌦄(chung)Mϴͷ֌ӿpڻg󼴿MȻ[1]

      MҪȡt(y)ί("Ą""岽")w飺

      c죺׌̎pֲ˄M̧ܵ^ͦ׌puⱳ졣oˆTסߵĻϺȻ_ʼDλt(y)ˆTʹĴָiǽMаͬruǰƄԏλ۔̶̎o軼N[ֹʹˎ࣬iǹ۵ĽϷôJ|ʹiǎM34wĹ̶

      ھڻ߻ڿָMָP(ji)ȵЌڷԹ۵Ļߑԓڂ1wrڠ͹̶¾ԼP(ji)呟͵iǹۻ߄tԓڽ̶֮MP(ji)呟ֹMбıӻ[2]

      ۃεˎڻ߂ijAΑԓ[ֹʹͻѪ˽o軼߷ÏԪѪAҪx黼߽ӹm(x)o軼߷ýӹm(x)zңںA΄tҪaIjԼB(yng)Ѫ˽o軼߷ζSί

      εˎڳAߴڻ֫[Ûrto[ֹʹкA΄tʹjϴMϴ[3]

      1.3Чu˜ ίĂ֮ӛ䛌ȃɽMߵĹrl(f)YrP(ji)Ĺܻ֏rίMԼߵĿ͕rgл߼P(ji)Ĺܻ֏uҪͨ^RiditzMuָ˰(yu)Ͳ(yu)=(yu)+

      1.4y(tng)ӋW SPSS19.0y(tng)ӋWܛMз̎(%)ʾ(sh)(j)

      2Y

      2.1ɽMߵĹr

      ί֮󣬌սM11iǹѽ(jng)ʞ73.3%оM14iǹѽ(jng)ʞ93.3%оMiǹ@ڌսMߣɽM(sh)(j)@(P<0.05)нy(tng)ӋWx

      2.2ɽMߵIJl(f)Yr

      ί֮սM8߳F(xin)l(f)Yrl(f)Yİl(f)ʞ53.3%1ߴRѪ(jng)p4ߴgP(ji)gճB2ߔt1gп֬ҺоM1߳F(xin)l(f)Yrl(f)Yİl(f)ʞ6.7%Ҫ黼߷ˎF(xin)Ir(jng)^{ˎˎߵĸѽ(jng)оM߲l(f)Yİl(f)@ڌսMɽM(sh)(j)@(P<0.05)нy(tng)ӋWx

      2.3ɽM߼P(ji)Ĺܻ֏r

      (j)RiditzY֪սM5߻֏r"(yu)"4ߵĻ֏r""6ߵĻ֏r""(yu)60%(9)оMM7߻֏r"(yu)"5ߵĻ֏r""3ߵĻ֏r""(yu)85.7%(12)оM߼P(ji)Ĺܻ֏r@(yu)ڌսMɽM(sh)(j)@(P<0.05)нy(tng)ӋWx

      2.4ɽMߵίMÌ

      սMߵgίMôżs15000ԪҪMж΃ȹ̶gtMôs6000ԪоMߵһt(y)ίͳɱMôs20xxԪңоMߵίM@ڌսM

      2.5ɽMߵĿ͕rg

      (j)ӛ䛵֪սMߵiǹϕrgƽ11.42wоMߵiǹϕrgƽ6.73wоMߵĿ͕rgȌսM߶̣ɽM(sh)(j)@(P<0.05)нy(tng)ӋWx

      3ӑՓ

      (j)оY֪t(y)ίоMrl(f)YrP(ji)Ĺܻ֏rίMԼߵĿ͕rg@(yu)ڌսMɽM(sh)(j)@ɴ˿t(y)ίiǹ۵RЧ@H˻߹۵ʺͼP(ji)Ĺܻ֏ͣpٲl(f)Yİl(f)ϻߵȫһߵĿ͕rg^̣ί|^ЧͻߵίM

      īI

      [1]С͢Mm.t(y)Yίiǹ56[J].Ї`\Ws־20xx08(08)122-123.

      [2]|]Ⱥ.t(y)Yίiǹ56[J].t(y)WԺW20xx01(10)67-68.

      [3]fc~أ.ͬȹ̶ʽίiǹ۵RЧ[J].t(y)W20xx03(15)124-125.

      վ֩ģ壺 Ƶ߹ۿ| ˾þۺ97ɫ| ƽ| ޾Ʒ˶| av| þùƷ˵av| | ˾þôý| ƷƵһۿ| ձȶۺϾþ| ɽ| | ëavһ| Ʒһ| þþƷavĻ| ˹Ʒվ| | ۺϾþþĻ| | ³ɽ| | Ұ| һƵ| Ӣ| ɳ| Ļһ| ƽ| Ʊ| ձһ߹ۿ| һþþƷ | ŷۺ| һ97| պavһëƬ| þùƷһ| ԭ| һ| avѿվ߹ۿ| 99þֻоƷ| Ƶ| Ļպ޸| |