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        1. ҂(jng)ЬF(xin)аl(f)˻W(xu)׃ǣ
          }W(xu)(du)׃ͻW(xu)׃Ĵ_Дһ(g)׃׃߀ǻW(xu)׃Ҫ(j)׃^Л]|(zh)|(zh)ǻW(xu)׃]|(zh)׃
          ⣺Aˮ׃ˮҺB(ti)׃?yu)B(ti)ֻǠB(ti)l(f)׃׃Ae(cu)
          B_ˮCֻΠl(f)׃]|(zh)׃Be(cu)
          CFڳĿ՚FPҪɷF|(zh)ڻW(xu)׃C_
          DwښܶСɵģ]|(zh)׃De(cu)
          xC
          c(din)u(png)׃ͻW(xu)׃ı|(zh)^(q)eǽ(x)}P(gun)IДĘ(bio)(zhn)ǿ׃Л]+|(zh)һأ׃|(zh)ĹҺB(ti)׃|(zh)Π׃
          (x)(c)ϵд
          P(gun)(x)}

          ĿлW(xu) Դ

          ҂ѽ(jng)W(xu)(x)՚⡢ˮһЩ|(zh)ĽM|(zh);У
          1
           
          ǻ
           
          ǻ
          2
           
          HǸȼ
           
          ʹcﷴ(yng)Ƃٲϵ;
          3Ҫ;
           
           

          4՚M(jn)a(chn)(dng)ҪYԴÿ՚ԭρȡ⣮ڹI(y)Ȍ՚mȥ̼ˮ⣬Ȼڵ͜¼Ӊʹ՚ҺȻƜضl(f)ҺB(ti)՚
           
          ?d)ȏҺB(ti)՚l(f)ʣµҪҺB(ti)ˣ
          5ˮFȻYԴ҂(yng)(dng)ϧˮ(ji)ˮL(fng)ճУ(jng)(hu)һЩM(fi)ˮĬF(xin)ԁˮ^ˮˮĆ}һ(g)ˮ^ÿе2ˮƽÿ20ˮ1mLӋ(j)㣬һҹʧˮ|(zh)
           
          kgӋ(j)Y(ji)һλС(sh)ˮܶȞ1g/cm3

          鿴𰸺ͽ>>

          ĿлW(xu) Դ }

          ҂ѽ(jng)W(xu)(x)՚⡢ˮһЩ|(zh)ĽM|(zh);У
          1______ǻ______ǻ
          2______HǸȼϣ______ʹcﷴ(yng)Ƃٲϵ;
          3Ҫ;____________
          4՚M(jn)a(chn)(dng)ҪYԴÿ՚ԭρȡ⣮ڹI(y)ϣȌ՚mȥ̼ˮȻڵ͜¼Ӊʹ՚ҺȻƜضl(f)ҺB(ti)՚⣬______?d)ȏҺB(ti)՚l(f)ʣµҪҺB(ti)ˣ
          5ˮFȻYԴ҂(yng)(dng)ϧˮ(ji)ˮL(fng)ճ(jng)(hu)һЩM(fi)ˮĬF(xin)ԁˮ^ˮˮĆ}һ(g)ˮ^ÿе2ˮƽÿ20ˮ1mLӋ(j)㣬һҹʧˮ|(zh)______kgӋ(j)Y(ji)һλС(sh)ˮܶȞ1g/cm3

          鿴𰸺ͽ>>

          ĿлW(xu) Դ} }

          ҂ѽ(jng)W(xu)(x)⡢՚ˮһЩ|(zh)ĽM|(zh);У
          1          ǻ          ǻ
          2          HǸȼ         ʹcﷴ(yng)Ƃٲϵ;
          3Ҫ;                   
          4՚M(jn)a(chn)(dng)ҪYԴÿ՚ԭρȡ⡣ڹI(y)Ȍ՚mȥ̼ˮ⣬Ȼڵ͜¼Ӊʹ՚ҺȻƜضl(f)ҺB(ti)՚⣬          ?d)ȏҺB(ti)՚l(f)ʣµҪҺB(ti)ˡ
          5ˮFȻYԴ҂(yng)(dng)ϧˮ(ji)ˮL(fng)ճ(jng)(hu)һЩM(fi)ˮĬF(xin)ԁˮ^ˮˮĆ}һ(g)ˮ^ÿе2ˮƽÿ20ˮ1mLӋ(j)һҹʧˮ|(zh)         kgӋ(j)Y(ji)һλС(sh)ˮܶȞ1g/cm3

          鿴𰸺ͽ>>

          ĿлW(xu) ԴԔ }

          ҂ѽ(jng)W(xu)(x)⡢՚ˮһЩ|(zh)ĽMɡ|(zh);У
          1 ǻ ǻ
          2 HǸȼϣ ʹcﷴ(yng)Ƃٲϵ;
          3Ҫ;  
          4՚M(jn)a(chn)(dng)ҪYԴÿ՚ԭρȡ⣮ڹI(y)ϣȌ՚mȥ̼ˮȻڵ͜¼Ӊʹ՚ҺȻƜضl(f)ҺB(ti)՚ ?d)ȏҺB(ti)՚l(f)ʣµҪҺB(ti)ˣ
          5ˮFȻYԴ҂(yng)(dng)ϧˮ(ji)ˮL(fng)Уճ(jng)(hu)һЩM(fi)ˮĬF(xin)ԁˮ^ˮˮĆ}һ(g)ˮ^ÿе2ˮƽÿ20ˮ1mLӋ(j)һҹʧˮ|(zh) kgӋ(j)Y(ji)һλС(sh)ˮܶȞ1g/cm3

          鿴𰸺ͽ>>

          ĿлW(xu) Դ2006-2007W(xu)һо꼉(j)ϣлW(xu)ԇ棩 }

          ҂ѽ(jng)W(xu)(x)⡢՚ˮһЩ|(zh)ĽM|(zh);У
          1    ǻ    ǻ
          2    HǸȼ    ʹcﷴ(yng)Ƃٲϵ;
          3Ҫ;       
          4՚M(jn)a(chn)(dng)ҪYԴÿ՚ԭρȡ⣮ڹI(y)Ȍ՚mȥ̼ˮȻڵ͜¼Ӊʹ՚ҺȻƜضl(f)ҺB(ti)՚    ?d)ȏҺB(ti)՚l(f)ʣµҪҺB(ti)ˣ
          5ˮFȻYԴ҂(yng)(dng)ϧˮ(ji)ˮL(fng)ճ(jng)(hu)һЩM(fi)ˮĬF(xin)ԁˮ^ˮˮĆ}һ(g)ˮ^ÿе2ˮƽÿ20ˮ1mLӋ(j)㣬һҹʧˮ|(zh)    kgӋ(j)Y(ji)һλС(sh)ˮܶȞ1g/cm3

          鿴𰸺ͽ>>

          ͬ(x)(c)