=3D=20
"./ch3-1.files/image094.wmz"></v:imagedata></v:shape><![endif]--><![if =
!vml]><img width=3D27 height=3D27
src=3D"./ch3-1.files/image095.gif" =
v:shapes=3D"_x0000_i1080"><![endif]></SUB><!--[if gte mso 9]><xml>
 <o:OLEObject Type=3D"Embed" ProgID=3D"Equation.3" =
ShapeID=3D"_x0000_i1080"
  DrawAspect=3D"Content" ObjectID=3D"_1207488504">
 </o:OLEObject>
</xml><![endif]-->=B1=E4=CE=AA<SUB><!--[if gte vml 1]><v:shape =
id=3D_x0000_i1081=20
style=3D"WIDTH: 27pt; HEIGHT: 20.25pt" o:ole=3D"" type =3D "#_x0000_t75" =
coordsize =3D=20
"21600,21600"> <v:imagedata o:title=3D"" src =3D=20
"./ch3-1.files/image096.wmz"></v:imagedata></v:shape><![endif]--><![if =
!vml]><img width=3D36 height=3D27
src=3D"./ch3-1.files/image097.gif" =
v:shapes=3D"_x0000_i1081"><![endif]></SUB><!--[if gte mso 9]><xml>
 <o:OLEObject Type=3D"Embed" ProgID=3D"Equation.3" =
ShapeID=3D"_x0000_i1081"
  DrawAspect=3D"Content" ObjectID=3D"_1207488505">
 </o:OLEObject>
</xml><![endif]-->=BA=F3,<SUB><!--[if gte vml 1]><v:shape =
id=3D_x0000_i1082=20
style=3D"WIDTH: 20.25pt; HEIGHT: 20.25pt" o:ole=3D"" type =3D =
"#_x0000_t75" coordsize=20
=3D "21600,21600"> <v:imagedata o:title=3D"" src =3D=20
"./ch3-1.files/image098.wmz"></v:imagedata></v:shape><![endif]--><![if =
!vml]><img width=3D27 height=3D27
src=3D"./ch3-1.files/image099.gif" =
v:shapes=3D"_x0000_i1082"><![endif]></SUB><!--[if gte mso 9]><xml>
 <o:OLEObject Type=3D"Embed" ProgID=3D"Equation.3" =
ShapeID=3D"_x0000_i1082"
  DrawAspect=3D"Content" ObjectID=3D"_1207488506">
 </o:OLEObject>
</xml><![endif]-->=B2=BB=D4=D9=CA=B9=D3=C3=A3=AC=CB=F9=D2=D4=D4=DA=BC=C6=CB=
=E3=BB=FA=B4=E6=D6=FC=D6=D0=D6=BB=D2=AA=D3=C3<SUB><!--[if gte vml =
1]><v:shape=20
id=3D_x0000_i1083 style=3D"WIDTH: 27pt; HEIGHT: 20.25pt" o:ole=3D"" type =
=3D=20
"#_x0000_t75" coordsize =3D "21600,21600"> <v:imagedata o:title=3D"" src =
=3D=20
"./ch3-1.files/image100.wmz"></v:imagedata></v:shape><![endif]--><![if =
!vml]><img width=3D36 height=3D27
src=3D"./ch3-1.files/image101.gif" =
v:shapes=3D"_x0000_i1083"><![endif]></SUB><!--[if gte mso 9]><xml>
 <o:OLEObject Type=3D"Embed" ProgID=3D"Equation.3" =
ShapeID=3D"_x0000_i1083"
  DrawAspect=3D"Content" ObjectID=3D"_1207488507">
 </o:OLEObject>
</xml><![endif]-->=B3=E5=B5=F4<SUB><!--[if gte vml 1]><v:shape =
id=3D_x0000_i1084=20
style=3D"WIDTH: 20.25pt; HEIGHT: 20.25pt" o:ole=3D"" type =3D =
"#_x0000_t75" coordsize=20
=3D "21600,21600"> <v:imagedata o:title=3D"" src =3D=20
"./ch3-1.files/image098.wmz"></v:imagedata></v:shape><![endif]--><![if =
!vml]><img width=3D27 height=3D27
src=3D"./ch3-1.files/image102.gif" =
v:shapes=3D"_x0000_i1084"><![endif]></SUB><!--[if gte mso 9]><xml>
 <o:OLEObject Type=3D"Embed" ProgID=3D"Equation.3" =
ShapeID=3D"_x0000_i1084"
  DrawAspect=3D"Content" ObjectID=3D"_1207488508">
 </o:OLEObject>
</xml><![endif]-->=BC=B4=BF=C9=A3=BB=C1=ED=D2=BB=B7=BD=C3=E6=A3=AC=D6=F7=D4=
=AA=CB=D8=CB=F9=D4=DA=C1=D0=D6=D0=D6=F7=D4=AA=CB=D8=CF=C2=C3=E6=B5=C4=B8=F7=
=D4=AA=CB=D8=D4=DA=CF=FB=D4=AA=B9=FD=B3=CC=D6=D0=B1=D8=C8=BB=CA=C7=C1=E3=A3=
=AC=B6=F8=C7=D2=D4=DA=BA=F3=C3=E6=BD=AB=D2=AA=C1=D0=B3=F6=B5=C4=BB=D8=B4=FA=
=B9=FD=B3=CC=D6=D0=D2=B2=B2=BB=D3=C3=CB=FC=C3=C7=A3=AC=CB=F9=D2=D4=C3=BB=D3=
=D0=B1=D8=D2=AA=CD=A8=B9=FD=BC=C6=CB=E3=B5=C3=B5=BD=CB=FC=C3=C7=A3=AC=B4=D3=
=B6=F8=D4=DA=CF=FB=D4=AA=B9=FD=B3=CC=D6=D0<SUB><!--[if gte vml =
1]><v:shape=20
id=3D_x0000_i1085 style=3D"WIDTH: 11.25pt; HEIGHT: 17.25pt" o:ole=3D"" =
type =3D=20
"#_x0000_t75" coordsize =3D "21600,21600"> <v:imagedata o:title=3D"" src =
=3D=20
"./ch3-1.files/image103.wmz"></v:imagedata></v:shape><![endif]--><![if =
!vml]><img width=3D15 height=3D23
src=3D"./ch3-1.files/image104.gif" =
v:shapes=3D"_x0000_i1085"><![endif]></SUB><!--[if gte mso 9]><xml>
 <o:OLEObject Type=3D"Embed" ProgID=3D"Equation.3" =
ShapeID=3D"_x0000_i1085"
  DrawAspect=3D"Content" ObjectID=3D"_1207488509">
 </o:OLEObject>
</xml><![endif]-->=BE=CD=BF=C9=B4=D3<SUB><!--[if gte vml 1]><v:shape =
id=3D_x0000_i1086=20
style=3D"WIDTH: 29.25pt; HEIGHT: 15pt" o:ole=3D"" type =3D "#_x0000_t75" =
coordsize =3D=20
"21600,21600"> <v:imagedata o:title=3D"" src =3D=20
"./ch3-1.files/image105.wmz"></v:imagedata></v:shape><![endif]--><![if =
!vml]><img width=3D39 height=3D20
src=3D"./ch3-1.files/image106.gif" =
v:shapes=3D"_x0000_i1086"><![endif]></SUB><!--[if gte mso 9]><xml>
 <o:OLEObject Type=3D"Embed" ProgID=3D"Equation.3" =
ShapeID=3D"_x0000_i1086"
  DrawAspect=3D"Content" ObjectID=3D"_1207488510">
 </o:OLEObject>
</xml><![endif]-->=BF=AA=CA=BC=A3=AC=D5=E2=D1=F9=D7=F6=BB=B9=BF=C9=D2=D4=BD=
=DA=D4=BC=BC=C6=CB=E3=CA=B1=BC=E4.<o:p></o:p></SPAN></P>
<P class=3DMsoNormal=20
style=3D"TEXT-INDENT: 20pt; TEXT-ALIGN: left; mso-char-indent-count: =
2.0; mso-char-indent-size: 10.0pt; mso-layout-grid-align: none"=20
align=3Dleft><SPAN=20
style=3D"FONT-SIZE: 10pt; FONT-FAMILY: =CB=CE=CC=E5; =
mso-hansi-font-family: 'Times New Roman'; mso-font-kerning: 0pt; =
mso-ansi-language: ZH-CN">=C0=FD1=20
=D3=C3=B8=DF=CB=B9=CF=FB=D4=AA=B7=A8=C7=F3=BD=E2=B7=BD=B3=CC=D7=E9<o:p></=
o:p></SPAN></P>
<P class=3DMsoNormal=20
style=3D"TEXT-INDENT: 109.2pt; TEXT-ALIGN: left; mso-char-indent-count: =
10.4; mso-char-indent-size: 10.5pt; mso-layout-grid-align: none"=20
align=3Dleft><SPAN lang=3DEN-US><SUB><!--[if gte vml 1]><v:shape =
id=3D_x0000_i1087=20
style=3D"WIDTH: 117pt; HEIGHT: 65.25pt" o:ole=3D"" type =3D =
"#_x0000_t75" coordsize =3D=20
"21600,21600" o:allowoverlap =3D "f"><v:imagedata o:title=3D"" src =3D=20
"./ch3-1.files/image107.wmz"></v:imagedata></v:shape><![endif]--><![if =
!vml]><img width=3D156 height=3D87
src=3D"./ch3-1.files/image108.gif" =
v:shapes=3D"_x0000_i1087"><![endif]></SUB><!--[if gte mso 9]><xml>
 <o:OLEObject Type=3D"Embed" ProgID=3D"Equation.3" =
ShapeID=3D"_x0000_i1087"
  DrawAspect=3D"Content" ObjectID=3D"_1207488511">
 </o:OLEObject>
</xml><![endif]--></SPAN></P>
<P class=3DMsoNormal=20
style=3D"TEXT-INDENT: 20pt; TEXT-ALIGN: left; mso-char-indent-count: =
2.0; mso-char-indent-size: 10.0pt; mso-layout-grid-align: none"=20
align=3Dleft><SPAN=20
style=3D"FONT-SIZE: 10pt; FONT-FAMILY: =CB=CE=CC=E5; =
mso-hansi-font-family: 'Times New Roman'; mso-font-kerning: 0pt; =
mso-ansi-language: ZH-CN">=BD=E2=20
=D3=C3=B5=DA=D2=BB=B8=F6=B7=BD=B3=CC=CF=FB=C8=A5=BA=F3=C1=BD=B8=F6=B7=BD=B3=
=CC=D6=D0=B5=C4<SUB><!--[if gte vml 1]><v:shape id=3D_x0000_i1088=20
style=3D"WIDTH: 12.75pt; HEIGHT: 15.75pt" o:ole=3D"" type =3D =
"#_x0000_t75" coordsize=20
=3D "21600,21600"> <v:imagedata o:title=3D"" src =3D=20
"./ch3-1.files/image109.wmz"></v:imagedata></v:shape><![endif]--><![if =
!vml]><img width=3D17 height=3D21
src=3D"./ch3-1.files/image110.gif" =
v:shapes=3D"_x0000_i1088"><![endif]></SUB><!--[if gte mso 9]><xml>
 <o:OLEObject Type=3D"Embed" ProgID=3D"Equation.3" =
ShapeID=3D"_x0000_i1088"
  DrawAspect=3D"Content" ObjectID=3D"_1207488512">
 </o:OLEObject>
</xml><![endif]-->=A3=AC=B5=C3<o:p></o:p></SPAN></P>
<P class=3DMsoNormal=20
style=3D"TEXT-INDENT: 115.5pt; TEXT-ALIGN: left; mso-char-indent-count: =
11.0; mso-char-indent-size: 10.5pt; mso-layout-grid-align: none"=20
align=3Dleft><SPAN lang=3DEN-US><SUB><!--[if gte vml 1]><v:shape =
id=3D_x0000_i1089=20
style=3D"WIDTH: 122.25pt; HEIGHT: 65.25pt" o:ole=3D"" type =3D =
"#_x0000_t75" coordsize=20
=3D "21600,21600" o:allowoverlap =3D "f"><v:imagedata o:title=3D"" src =
=3D=20
"./ch3-1.files/image111.wmz"></v:imagedata></v:shape><![endif]--><![if =
!vml]><img width=3D163 height=3D87
src=3D"./ch3-1.files/image112.gif" =
v:shapes=3D"_x0000_i1089"><![endif]></SUB><!--[if gte mso 9]><xml>
 <o:OLEObject Type=3D"Embed" ProgID=3D"Equation.3" =
ShapeID=3D"_x0000_i1089"
  DrawAspect=3D"Content" ObjectID=3D"_1207488513">
 </o:OLEObject>
</xml><![endif]--></SPAN><SPAN=20
style=3D"FONT-SIZE: 10pt; FONT-FAMILY: =CB=CE=CC=E5; =
mso-hansi-font-family: 'Times New Roman'; mso-font-kerning: 0pt; =
mso-ansi-language: ZH-CN"><o:p></o:p></SPAN></P>
<P class=3DMsoNormal=20
style=3D"TEXT-INDENT: 20pt; TEXT-ALIGN: left; mso-char-indent-count: =
2.0; mso-char-indent-size: 10.0pt; mso-layout-grid-align: none"=20
align=3Dleft><SPAN=20
style=3D"FONT-SIZE: 10pt; FONT-FAMILY: =CB=CE=CC=E5; =
mso-hansi-font-family: 'Times New Roman'; mso-font-kerning: 0pt; =
mso-ansi-language: =
ZH-CN">=D4=D9=D3=C3=B5=DA=B6=FE=B8=F6=B7=BD=B3=CC=CF=FB=C8=A5=B5=DA=C8=FD=
=B8=F6=B7=BD=B3=CC=D6=D0=B5=C4<SUB><!--[if gte vml 1]><v:shape=20
id=3D_x0000_i1090 style=3D"WIDTH: 15pt; HEIGHT: 15.75pt" o:ole=3D"" type =
=3D=20
"#_x0000_t75" coordsize =3D "21600,21600"> <v:imagedata o:title=3D"" src =
=3D=20
"./ch3-1.files/image113.wmz"></v:imagedata></v:shape><![endif]--><![if =
!vml]><img width=3D20 height=3D21
src=3D"./ch3-1.files/image114.gif" =
v:shapes=3D"_x0000_i1090"><![endif]></SUB><!--[if gte mso 9]><xml>
 <o:OLEObject Type=3D"Embed" ProgID=3D"Equation.3" =
ShapeID=3D"_x0000_i1090"
  DrawAspect=3D"Content" ObjectID=3D"_1207488514">
 </o:OLEObject>
</xml><![endif]-->=A3=AC=B5=C3<o:p></o:p></SPAN></P>
<P class=3DMsoNormal=20
style=3D"TEXT-INDENT: 115.5pt; TEXT-ALIGN: left; mso-char-indent-count: =
11.0; mso-char-indent-size: 10.5pt; mso-layout-grid-align: none"=20
align=3Dleft><SPAN lang=3DEN-US><SUB><!--[if gte vml 1]><v:shape =
id=3D_x0000_i1091=20
style=3D"WIDTH: 122.25pt; HEIGHT: 65.25pt" o:ole=3D"" type =3D =
"#_x0000_t75" coordsize=20
=3D "21600,21600" o:allowoverlap =3D "f"><v:imagedata o:title=3D"" src =
=3D=20
"./ch3-1.files/image115.wmz"></v:imagedata></v:shape><![endif]--><![if =
!vml]><img width=3D163 height=3D87
src=3D"./ch3-1.files/image116.gif" =
v:shapes=3D"_x0000_i1091"><![endif]></SUB><!--[if gte mso 9]><xml>
 <o:OLEObject Type=3D"Embed" ProgID=3D"Equation.3" =
ShapeID=3D"_x0000_i1091"
  DrawAspect=3D"Content" ObjectID=3D"_1207488515">
 </o:OLEObject>
</xml><![endif]--></SPAN><SPAN=20
style=3D"FONT-SIZE: 10pt; FONT-FAMILY: =CB=CE=CC=E5; =
mso-hansi-font-family: 'Times New Roman'; mso-font-kerning: 0pt; =
mso-ansi-language: ZH-CN"><o:p></o:p></SPAN></P>
<P class=3DMsoNormal=20
style=3D"TEXT-INDENT: 20pt; TEXT-ALIGN: left; mso-char-indent-count: =
2.0; mso-char-indent-size: 10.0pt; mso-layout-grid-align: none"=20
align=3Dleft><SPAN=20
style=3D"FONT-SIZE: 10pt; FONT-FAMILY: =CB=CE=CC=E5; =
mso-hansi-font-family: 'Times New Roman'; mso-font-kerning: 0pt; =
mso-ansi-language: =
ZH-CN">=D7=EE=BA=F3=A3=AC=BE=AD=B9=FD=BB=D8=B4=FA=C7=F3=B5=C3=B7=BD=B3=CC=
=D7=E9=B5=C4=BD=E2=CE=AA<o:p></o:p></SPAN></P>
<P class=3DMsoNormal=20
style=3D"TEXT-INDENT: 136.5pt; TEXT-ALIGN: left; mso-char-indent-count: =
13.0; mso-char-indent-size: 10.5pt; mso-layout-grid-align: none"=20
align=3Dleft><SPAN lang=3DEN-US><SUB><!--[if gte vml 1]><v:shape =
id=3D_x0000_i1092=20
style=3D"WIDTH: 123.75pt; HEIGHT: 111pt" o:ole=3D"" type =3D =
"#_x0000_t75" coordsize =3D=20
"21600,21600" o:allowoverlap =3D "f"><v:imagedata o:title=3D"" src =3D=20
"./ch3-1.files/image117.wmz"></v:imagedata></v:shape><![endif]--><![if =
!vml]><img width=3D165 height=3D148
src=3D"./ch3-1.files/image118.gif" =
v:shapes=3D"_x0000_i1092"><![endif]></SUB><!--[if gte mso 9]><xml>
 <o:OLEObject Type=3D"Embed" ProgID=3D"Equation.3" =
ShapeID=3D"_x0000_i1092"
  DrawAspect=3D"Content" ObjectID=3D"_1207488516">
 </o:OLEObject>
</xml><![endif]--></SPAN><SPAN=20
style=3D"FONT-SIZE: 10pt; FONT-FAMILY: =CB=CE=CC=E5; =
mso-hansi-font-family: 'Times New Roman'; mso-font-kerning: 0pt; =
mso-ansi-language: ZH-CN"><o:p></o:p></SPAN></P>
<P class=3DMsoNormal style=3D"TEXT-ALIGN: left; mso-layout-grid-align: =
none"=20
align=3Dleft><B><SPAN=20
style=3D"FONT-SIZE: 10pt; FONT-FAMILY: =CB=CE=CC=E5; =
mso-hansi-font-family: 'Times New Roman'; mso-font-kerning: 0pt; =
mso-ansi-language: ZH-CN">=C8=FD=20
<SPAN=20
style=3D"mso-spacerun: =
yes">&nbsp;</SPAN>=B8=DF=CB=B9=CF=FB=D4=AA=B7=A8=B5=C4=CC=F5=BC=FE=D3=EB=D4=
=CB=CB=E3=C1=BF<o:p></o:p></SPAN></B></P>
<P class=3DMsoNormal=20
style=3D"TEXT-INDENT: 20pt; TEXT-ALIGN: left; mso-char-indent-count: =
2.0; mso-char-indent-size: 10.0pt; mso-layout-grid-align: none"=20
align=3Dleft><SPAN=20
style=3D"FONT-SIZE: 10pt; FONT-FAMILY: =CB=CE=CC=E5; =
mso-hansi-font-family: 'Times New Roman'; mso-font-kerning: 0pt; =
mso-ansi-language: =
ZH-CN">=B4=D3=CF=FB=D4=AA=B9=FD=B3=CC=BF=C9=D2=D4=BF=B4=B3=F6=A3=AC=B6=D4=
=D3=DA<SUB><!--[if gte vml 1]><v:shape=20
id=3D_x0000_i1093 style=3D"WIDTH: 11.25pt; HEIGHT: 12pt" o:ole=3D"" type =
=3D=20
"#_x0000_t75" coordsize =3D "21600,21600"> <v:imagedata o:title=3D"" src =
=3D=20
"./ch3-1.files/image119.wmz"></v:imagedata></v:shape><![endif]--><![if =
!vml]><img width=3D15 height=3D16
src=3D"./ch3-1.files/image120.gif" =
v:shapes=3D"_x0000_i1093"><![endif]></SUB><!--[if gte mso 9]><xml>
 <o:OLEObject Type=3D"Embed" ProgID=3D"Equation.3" =
ShapeID=3D"_x0000_i1093"
  DrawAspect=3D"Content" ObjectID=3D"_1207488517">
 </o:OLEObject>
</xml><![endif]-->=BD=D7=CF=DF=D0=D4=B7=BD=B3=CC=D7=E9=A3=AC=D6=BB=D2=AA=B8=
=F7=B2=BD=D6=F7=D4=AA=CB=D8=B2=BB=CE=AA=C1=E3=A3=AC=BC=B4<SUB><!--[if =
gte vml 1]><v:shape=20
id=3D_x0000_i1094 style=3D"WIDTH: 4