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        1. Ӣҽ̾W(wng) > > }ĿԔ

          }ĿDϺ܊صЇڶ˹ˮͧԓˮͧȫ]֮ǰ^ܵĸ ׃򡰜pСˮͧ܉ϸ³ͨ^팍(sh)F(xin)ģ

          𰸡׃
          ⣺ˮͧȫ]֮ǰ^У_ˮwe׃
          (j)F=ҺgV֪ܸ׃щs՚≺띓ˮͧĉœˮųˮͧGpС(dng)FGr(sh)ˮͧϸ_œyT׌ˮM(jn)뉺œ(ni)ˮͧG󣬮(dng)FGr(sh)ˮͧ³(dng)F=Gr(sh)ˮͧҸͣκɴ˿Ҋˮͧ܉ϸ³ͨ^׃؁팍(sh)F(xin)ģԴǣ׃
          c(din)հ׵ԭwĸl䑪(yng)ǽ}ĸҪ֪׵ԭҺwеwܵϵĸĴСw_Һwܵ@(g)Ҏ(gu)ɽ׵ԭ F= G =Һgvwĸl]Һwеw FG r(sh)ϸF(xin) = G r(sh)ҸF(xin) G r(sh)³wlđ(yng)e1݆2ˮͧ34wͧ⣨5ܶӋ(j)ܶӋ(j)Ŀ̶Ǐϵ¿̶׃̶Ȳҿ̶ȟoλ

          (x)(c)ϵд
          P(gun)(x)}

          Ŀ Դ

          }Ŀ̫_________ RƳɵģʹڱ̫ꖹ_________һc(din)ReԽ(hu)۵̫ꖹԽ_________ ضҲԽ_________Hԟˮ߀԰l(f)ұǼȹ(ji)sȼֲ_________ĭh(hun)Դ.

          鿴𰸺ͽ>>

          Ŀ Դ

          }Ŀ˯Xǰˮ_ʹ_můͣ@ʹ_ă(ni)

          A. ׃ B. C. p D.

          鿴𰸺ͽ>>

          Ŀ Դ

          }Ŀ팍(sh)(yn)(f)(x)r(sh)СС̽P(gun)ܗUƽĆ}

          1DʾҪʹܗUˮƽλƽ⣬ɌܗU˵ƽĸ{(dio)(ji)
          2^a_{(dio)(ji)ʹܗUٴƽ⣮˕r(sh)ڸܗUϵ^aʩӵĄ(dng)ǡcܗU ^aλ(du)(yng)Ŀ̶ֵ͵
          3С҃ɂ(c)Dʾ^aܗU½ҪʹܗUˮƽλƽ⣬׃^a(sh)͑Ғc(din)λֻ茢ɣ
          4С߀̽(dng)(dng)ڸܗUͬ(c)r(sh)ܗUƽrܗU(c)^aõY(ji)ܗUD(zhun)QֱλDʾСAc(din)ʩһ(g)ʼKˮƽҵFsl(f)F(xin)oՓö܌ܗUˮƽλƽ⣮J(rn)ԭ
          5J(rn)飨4ģˮƽҵFС׃OALLܗUQֱλD(zhun)^30^F

          鿴𰸺ͽ>>

          Ŀ Դ

          }ĿСȽ̽СcЩP(gun)Č(sh)(yn)õģֵֶ0.1Nďɜy(c)Ӌ(j)e5cm2߶Ȟ6cmČ(sh)ĈAw~KͬĴɣˮܶδ֪ijNҺw(x)ȣ

          1СȽM(jn)DʾČ(sh)(yn)AEʾɜy(c)Ӌ(j)ʾ(sh)NÏɜy(c)Ӌ(j)~KؽҺwвͬȣEքeDBCDEFʾҺwδʾ(sh)ӛڱУ

          (sh)(yn)E

          B

          C

          D

          E

          F

          ɜy(c)Ӌ(j)ʾ(sh)/N

          2.6

          2.5

          2.4

          2.4

          2.3


          2(sh)(yn)EB~KܸN(sh)(yn)EABCDfСP(gun)(sh)(yn)EAEFfСP(gun)
          3СȽñеĔ(sh)(j)ijNҺwܶkg/m3Y(ji)һλС(sh)߀˲EB~K±ܵˮĉ(qing)Pa
          4СȽڲEBĻA(ch)^m(x)̽~K±̎λò׃яɜy(c)Ӌ(j)h(hun)̶F_(ti)ϣ(ni)ˮl(f)F(xin)ɜy(c)Ӌ(j)ʾ(sh)ux󡱻򡰜pС(dng)ˮʹ~Ký]r(sh)ˮδײܵˮĉ(qing)Pa֪һ(ni)ܵÿp0.1NɵLȾͿs0.1cm

          鿴𰸺ͽ>>

          Ŀ Դ

          }ĿDß裨ܜضӰֵ(hu)l(f)׃裩늴^MɵĻʾDRܟֵ(hu)pСl(f)׃ǣ

          A. 늴^·е

          B. 늴^·_

          C. (dng)pСijضֵr(sh)늴FĴ(qing)FL2l(f)

          D. (dng)pСijضֵr(sh)늴FĴԜpʹF܏(f)λL1l(f)

          鿴𰸺ͽ>>

          Ŀ Դ

          }ĿDʾĬF(xin)\(yn)ô≺(qing)֪R(sh)ጵǣ
          A.üwסˮúˮ
          B.
          C._(ti)L(fng)_?sh)?/span>
          D.ܺ

          鿴𰸺ͽ>>

          Ŀ Դ

          }ĿСy(c)݆MC(j)еЧʵČ(sh)(yn)^Dʾ

          1(sh)(yn)(yng)Qֱ______(dng)ɜy(c)Ӌ(j)

          2һΌ(sh)(yn)Dұʾ(j)Dʾь(sh)(yn)(sh)(j)ӛڱУ_________

          3(sh)(j)ɵýY(ji)Փͬһ݆MwԽ݆MęC(j)еЧԽ______xߡ򡰵͡

          4􌢴˻݆MQһN@KӋ(j)ĦKأͬwr(sh)݆MęC(j)еЧ_________x׃󡱡׃С򡰲׃

          5(sh)(yn)Y(ji)ڽӑՓr(sh)СAСõăɂ(g)y(c)Мpȥһ(g)Ҳܜy(c)݆MęC(j)еЧJ(rn)ԜpȥĜy(c)________ɴ֪݆MęC(j)еЧc__________oP(gun)

          鿴𰸺ͽ>>

          Ŀ Դ

          }Ŀͥ·бU(xin)z,ܵԭ( )

          A. ·гF(xin)· B. ·ijK_P(gun)|

          C. U(xin)zxõ̫ D. ·ͬr(sh)ʹõĿ^

          鿴𰸺ͽ>>

          ͬ(x)(c)