📄 ch32.mht
字号:
f" width=3D161></FONT></PRE></TD></TR>
<TR>
<TD width=3D"100%"><PRE><FONT face=3D=CB=CE=CC=E5 color=3D#000000 =
size=3D3> <IMG height=3D15 =
src=3D"http://oa.gdut.edu.cn/os/multimedia/oscai/chapter3/images/angle.GI=
F" width=3D14></FONT><FONT face=3D=CB=CE=CC=E5 color=3D#800080 =
size=3D3><STRONG>=B8=C5=C4=EE</STRONG></FONT></PRE><PRE><FONT =
face=3D=CB=CE=CC=E5 color=3D#000000 size=3D3> =
=CB=F9=CE=BD</FONT><A =
href=3D"http://oa.gdut.edu.cn/os/multimedia/oscai/chapter3/pages/ch32.htm=
#=B8=C5=C4=EE"><FONT face=3D=CB=CE=CC=E5 color=3D#0000ff =
size=3D3>=CF=B5=CD=B3=B5=F7=D3=C3</FONT></A><FONT face=3D=CB=CE=CC=E5 =
color=3D#000000 =
size=3D3>=A3=AC=BE=CD=CA=C7=D3=C3=BB=A7=D4=DA=B3=CC=D0=F2=D6=D0=B5=F7=D3=C3=
=B2=D9=D7=F7=CF=B5=CD=B3=CB=F9=CC=E1=B9=A9=B5=C4=D2=BB=D0=A9</FONT><FONT =
face=3D=CB=CE=CC=E5 color=3D#ff0080 =
size=3D3>=D7=D3=B9=A6=C4=DC</FONT><FONT face=3D=CB=CE=CC=E5 =
color=3D#000000 =
size=3D3>=A1=A3=CB=FC=CA=C7=D2=BB=D6=D6=CC=D8=CA=E2</FONT></PRE><PRE><FON=
T face=3D=CB=CE=CC=E5 color=3D#000000 size=3D3> =B5=C4</FONT><FONT =
face=3D=CB=CE=CC=E5 color=3D#ff0080 =
size=3D3>=B9=FD=B3=CC=B5=F7=D3=C3</FONT><FONT face=3D=CB=CE=CC=E5 =
color=3D#000000 =
size=3D3>=A3=AC=D5=E2=D6=D6=B5=F7=D3=C3=CD=A8=B3=A3=CA=C7=D3=C9=CC=D8=CA=E2=
=B5=C4=BB=FA=C6=F7=D6=B8=C1=EE=CA=B5=CF=D6=B5=C4=A1=A3</FONT></PRE><PRE><=
FONT face=3D=CB=CE=CC=E5 color=3D#000000 size=3D3> <IMG height=3D15 =
src=3D"http://oa.gdut.edu.cn/os/multimedia/oscai/chapter3/images/angle.GI=
F" width=3D14></FONT><FONT face=3D=CB=CE=CC=E5 color=3D#800080 =
size=3D3><STRONG>=CF=B5=CD=B3=B9=A6=C4=DC=B5=C4=B5=F7=D3=C3</STRONG></FON=
T></PRE><PRE><FONT face=3D=CB=CE=CC=E5 color=3D#000000 size=3D3> =
<IMG height=3D16 alt=3D"LREDP.GIF (158 bytes)" =
src=3D"http://oa.gdut.edu.cn/os/multimedia/oscai/chapter3/images/LREDP.GI=
F" =
width=3D16>=CF=B5=CD=B3=B5=F7=D3=C3=D3=EB=B7=B5=BB=D8</FONT></PRE><PRE><F=
ONT face=3D=CB=CE=CC=E5 color=3D#000000 size=3D3> <IMG =
height=3D16 alt=3D"LBULEP.GIF (159 bytes)" =
src=3D"http://oa.gdut.edu.cn/os/multimedia/oscai/chapter3/images/LBULEP.G=
IF" =
width=3D16>=B3=CC=D0=F2=D6=AE=BC=E4=B5=C4=C7=B6=CC=D7=B5=F7=D3=C3</FONT><=
/PRE>
<DIV align=3Dcenter>
<CENTER><PRE><IMG height=3D166 =
src=3D"http://oa.gdut.edu.cn/os/multimedia/oscai/chapter3/images/ch3203.g=
if" width=3D444></PRE></CENTER></DIV><PRE><FONT face=3D=CB=CE=CC=E5 =
color=3D#000000 size=3D3> <IMG height=3D15 =
src=3D"http://oa.gdut.edu.cn/os/multimedia/oscai/chapter3/images/angle.GI=
F" width=3D14></FONT><FONT face=3D=CB=CE=CC=E5 color=3D#800080 =
size=3D3><STRONG>=CF=B5=CD=B3=B5=F7=D3=C3=B5=C4=B7=D6=C0=E0</STRONG></FON=
T></PRE><PRE><FONT face=3D=CB=CE=CC=E5 color=3D#000000 size=3D3> =
<IMG height=3D16 alt=3D"LREDP.GIF (158 bytes)" =
src=3D"http://oa.gdut.edu.cn/os/multimedia/oscai/chapter3/images/LREDP.GI=
F" =
width=3D16>=D2=BB=B0=E3=C9=E8=B1=B8=B5=C4=CA=E4=C8=EB=CA=E4=B3=F6</FONT><=
/PRE><PRE><FONT face=3D=CB=CE=CC=E5 color=3D#000000 size=3D3> =
<IMG height=3D16 alt=3D"L=BB=C6=C9=ABP.GIF (158 bytes)" =
src=3D"http://oa.gdut.edu.cn/os/multimedia/oscai/chapter3/images/LyP.GIF"=
=
width=3D16>=B4=C5=C5=CC=B5=C4=CA=E4=C8=EB=CA=E4=B3=F6=BC=B0=B4=C5=C5=CC=CE=
=C4=BC=FE=B5=C4=B9=DC=C0=ED</FONT></PRE><PRE><FONT face=3D=CB=CE=CC=E5 =
color=3D#000000 size=3D3> <IMG height=3D16 alt=3D"LBLUEP2.GIF =
(906 bytes)" =
src=3D"http://oa.gdut.edu.cn/os/multimedia/oscai/chapter3/images/LBLUEP2.=
GIF" width=3D16>=C6=E4=CB=FC</FONT></PRE>
<DIV align=3Dright><PRE><A name=3D=C4=DA=C8=DD7></A><!--webbot =
bot=3D"ImageMap" rectangle=3D"(0,1) (144, 32) #%e9%a1%b5%e5%a4%b4" =
src=3D"../images/BACKHEAD.GIF" border=3D"0" alt=3D"BACKHEAD.GIF (2500 =
bytes)" startspan --><MAP name=3DFrontPageMap9><AREA shape=3DRECT =
coords=3D0,1,144,32 =
href=3D"http://oa.gdut.edu.cn/os/multimedia/oscai/chapter3/pages/ch32.htm=
#=D2=B3=CD=B7"></MAP><A =
href=3D"http://oa.gdut.edu.cn/os/multimedia/oscai/_vti_bin/shtml.dll/chap=
ter3/pages/ch32.htm/map9"><IMG height=3D33 alt=3D"BACKHEAD.GIF (2500 =
bytes)" isMap =
src=3D"http://oa.gdut.edu.cn/os/multimedia/oscai/chapter3/images/BACKHEAD=
.GIF" width=3D145 useMap=3D#FrontPageMap9 border=3D0></A><!--webbot =
bot=3D"ImageMap" endspan i-checksum=3D"3266" =
--></PRE></DIV></TD></TR></TBODY></TABLE>
<TABLE cellSpacing=3D0 cellPadding=3D0 width=3D"90%" border=3D0>
<TBODY>
<TR>
<TD width=3D"100%"><PRE><FONT face=3D=CB=CE=CC=E5 color=3D#000000 =
size=3D3><IMG height=3D25 =
src=3D"http://oa.gdut.edu.cn/os/multimedia/oscai/chapter3/images/EYEBALL.=
GIF" width=3D25> <IMG height=3D25 =
src=3D"http://oa.gdut.edu.cn/os/multimedia/oscai/chapter3/images/t3207.gi=
f" width=3D63></FONT></PRE></TD></TR>
<TR>
<TD width=3D"100%"><PRE><FONT face=3D=CB=CE=CC=E5 color=3D#000000 =
size=3D3> <IMG height=3D15 =
src=3D"http://oa.gdut.edu.cn/os/multimedia/oscai/chapter3/images/angle.GI=
F" width=3D14></FONT><FONT face=3D=CB=CE=CC=E5 color=3D#800080 =
size=3D3><STRONG>=D3=B2=BC=FE</STRONG></FONT></PRE><PRE><FONT =
face=3D=CB=CE=CC=E5 color=3D#000000 size=3D3> =
<STRONG>CPU</STRONG>=A1=A2=C4=DA=B4=E6=A1=A2=CD=E2=C9=E8</FONT></PRE><PRE=
><FONT face=3D=CB=CE=CC=E5 color=3D#000000 size=3D3> <IMG height=3D15 =
src=3D"http://oa.gdut.edu.cn/os/multimedia/oscai/chapter3/images/angle.GI=
F" width=3D14></FONT><FONT face=3D=CB=CE=CC=E5 color=3D#800080 =
size=3D3><STRONG>=C2=E3=BB=FA</STRONG></FONT></PRE><PRE><FONT =
face=3D=CB=CE=CC=E5 color=3D#000000 size=3D3> =
=C3=BB=D3=D0=C5=E4=D6=C3=C8=CE=BA=CE=C8=ED=BC=FE=B5=C4=BC=C6=CB=E3=BB=FA<=
/FONT></PRE><PRE><FONT face=3D=CB=CE=CC=E5 color=3D#000000 size=3D3> =
<IMG height=3D15 =
src=3D"http://oa.gdut.edu.cn/os/multimedia/oscai/chapter3/images/angle.GI=
F" width=3D14></FONT><FONT face=3D=CB=CE=CC=E5 color=3D#800080 =
size=3D3><STRONG>=D0=E9=C4=E2=BB=FA</STRONG></FONT></PRE><PRE><FONT =
face=3D=CB=CE=CC=E5 color=3D#000000 size=3D3> =
=D4=DA</FONT><FONT face=3D=CB=CE=CC=E5 color=3D#ff0080 =
size=3D3>=C2=DF=BC=AD=C9=CF</FONT><FONT face=3D=CB=CE=CC=E5 =
color=3D#000000 =
size=3D3>=CC=ED=BC=D3=D2=BB=B2=E3=C8=ED=BC=FE=C0=B4=C0=A9=B3=E4=BC=C6=CB=E3=
=BB=FA=B9=A6=C4=DC=A3=AC=B1=BB=B8=C4=D4=EC=BA=F3=B5=C4=BC=C6=CB=E3=BB=FA=A3=
=AC=B3=FD=C1=CB=BB=F9=B1=BE=D3=B2=BC=FE=D6=B8=C1=EE=CD=E2</FONT></PRE><PR=
E><FONT face=3D=CB=CE=CC=E5 color=3D#000000 size=3D3> =
=A3=AC=D3=D6=D4=F6=BC=D3=C1=CB=D0=ED=B6=E0=D0=C2=B5=C4=C3=FC=C1=EE=A3=AC=D5=
=E2=D0=A9=D6=B8=C1=EE=BA=CD=C3=FC=C1=EE=B5=C4=BC=AF=BA=CF=B3=C6=CE=AA=C0=A9=
=B3=E4=BA=F3=B5=C4</FONT><FONT face=3D=CB=CE=CC=E5 color=3D#ff0080 =
size=3D3>=BB=FA=C6=F7=D6=B8=C1=EE=CF=B5=CD=B3</FONT><FONT =
face=3D=CB=CE=CC=E5 color=3D#000000 =
size=3D3>=A3=AC=B4=D3=B6=F8=D0=CE=B3=C9</FONT></PRE><PRE><FONT =
face=3D=CB=CE=CC=E5 color=3D#000000 size=3D3> =
=C1=CB=D2=BB=CC=A8=B1=C8=D4=AD=C0=B4=BB=FA=C6=F7=D0=D4=C4=DC=B8=FC=BA=C3=A1=
=A2=B9=A6=C4=DC=B8=FC=C7=BF=B5=C4=BC=C6=CB=E3=BB=FA=A3=AC=D5=E2=D6=D6=BE=AD=
</FONT><FONT face=3D=CB=CE=CC=E5 color=3D#ff0080 =
size=3D3>=C8=ED=BC=FE=B8=C4=D4=EC</FONT><FONT face=3D=CB=CE=CC=E5 =
color=3D#000000 =
size=3D3>=BA=F3=B5=C4=BC=C6=CB=E3=BB=FA=B3=C6</FONT><FONT =
face=3D=CB=CE=CC=E5 color=3D#ff0080 =
size=3D3>=D0=E9=C4=E2=BB=FA</FONT><FONT face=3D=CB=CE=CC=E5 =
color=3D#000000 size=3D3>=A1=A3</FONT></PRE>
<DIV align=3Dright><PRE><A name=3D=C4=DA=C8=DD8></A><!--webbot =
bot=3D"ImageMap" rectangle=3D"(0,3) (144, 32) #%e9%a1%b5%e5%a4%b4" =
src=3D"../images/BACKHEAD.GIF" border=3D"0" alt=3D"BACKHEAD.GIF (2500 =
bytes)" startspan --><MAP name=3DFrontPageMap10><AREA shape=3DRECT =
coords=3D0,3,144,32 =
href=3D"http://oa.gdut.edu.cn/os/multimedia/oscai/chapter3/pages/ch32.htm=
#=D2=B3=CD=B7"></MAP><A =
href=3D"http://oa.gdut.edu.cn/os/multimedia/oscai/_vti_bin/shtml.dll/chap=
ter3/pages/ch32.htm/map10"><IMG height=3D33 alt=3D"BACKHEAD.GIF (2500 =
bytes)" isMap =
src=3D"http://oa.gdut.edu.cn/os/multimedia/oscai/chapter3/images/BACKHEAD=
.GIF" width=3D145 useMap=3D#FrontPageMap10 border=3D0></A><!--webbot =
bot=3D"ImageMap" endspan i-checksum=3D"12843" =
--></PRE></DIV></TD></TR></TBODY></TABLE>
<TABLE cellSpacing=3D0 cellPadding=3D0 width=3D"90%" border=3D0>
<TBODY>
<TR>
<TD width=3D"100%"><PRE><FONT face=3D=CB=CE=CC=E5 color=3D#000000 =
size=3D3><IMG height=3D25 =
src=3D"http://oa.gdut.edu.cn/os/multimedia/oscai/chapter3/images/EYEBALL.=
GIF" width=3D25> <IMG height=3D23 =
src=3D"http://oa.gdut.edu.cn/os/multimedia/oscai/chapter3/images/t3208.gi=
f" width=3D161></FONT></PRE></TD></TR>
<TR>
<TD width=3D"100%"><PRE><FONT face=3D=CB=CE=CC=E5 color=3D#000000 =
size=3D3> <IMG height=3D15 =
src=3D"http://oa.gdut.edu.cn/os/multimedia/oscai/chapter3/images/angle.GI=
F" width=3D14></FONT><FONT face=3D=CB=CE=CC=E5 color=3D#800080 =
size=3D3><STRONG>=D3=D0=B9=D8=D2=BB=B0=E3=CD=E2=B2=BF=C9=E8=B1=B8=B5=C4=CA=
=E4=C8=EB=A1=A2=CA=E4=B3=F6=B5=C4=CF=B5=CD=B3=B5=F7=D3=C3</STRONG></FONT>=
</PRE><PRE><FONT face=3D=CB=CE=CC=E5 color=3D#000000 size=3D3> =
=D5=E2=C0=E0=CF=B5=CD=B3=B5=F7=D3=C3=B5=C4</FONT><FONT =
face=3D=CB=CE=CC=E5 color=3D#ff0080 size=3D3>=CC=D8=B5=E3</FONT><FONT =
face=3D=CB=CE=CC=E5 color=3D#000000 =
size=3D3>=CA=C7=A3=AC=B1=D8=D0=EB=B0=D1=CF=B5=CD=B3=B5=F7=D3=C3=B5=C4=B1=E0=
=BA=C5=A3=A8=BB=F2=B3=C6</FONT><FONT face=3D=CB=CE=CC=E5 color=3D#ff0080 =
size=3D3>=CF=B5=CD=B3=B5=F7=D3=C3=BA=C5</FONT><FONT face=3D=CB=CE=CC=E5 =
color=3D#000000 =
size=3D3>=A3=A9=A3=AC=B1=ED=CA=BE=D7=BC=B1=B8=CA=E4=B3=F6</FONT></PRE><PR=
E><FONT face=3D=CB=CE=CC=E5 color=3D#000000 size=3D3> =
=D7=D6=BD=DA=B5=C4=C8=EB=BF=DA=B2=CE=CA=FD=A3=AC=D2=D4=BC=B0=B1=ED=CA=BE=CD=
=E2=C9=E8=CA=E4=C8=EB=D7=D6=BD=DA=B5=C4=B7=B5=BB=D8=B2=CE=CA=FD=A3=AC=B7=D6=
=B1=F0=B7=C5=D4=DA=D6=B8=B6=A8=B5=C4</FONT><FONT face=3D=CB=CE=CC=E5 =
color=3D#ff0080 size=3D3>=CD=A8=D3=C3=BC=C4=B4=E6=C6=F7</FONT><FONT =
face=3D=CB=CE=CC=E5 color=3D#000000 =
size=3D3>=D6=D0=A1=A3</FONT></PRE><PRE><FONT face=3D=CB=CE=CC=E5 =
color=3D#000000 size=3D3> <IMG height=3D15 =
src=3D"http://oa.gdut.edu.cn/os/multimedia/oscai/chapter3/images/angle.GI=
F" width=3D14></FONT><FONT face=3D=CB=CE=CC=E5 color=3D#800080 =
size=3D3><STRONG>=D3=D0=B9=D8=B4=C5=C5=CC=B9=DC=C0=ED=BC=B0=B4=C5=C5=CC=CA=
=E4=C8=EB=A1=A2=CA=E4=B3=F6=B5=C4=CF=B5=CD=B3=B5=F7=D3=C3</STRONG></FONT>=
</PRE><PRE><FONT face=3D=CB=CE=CC=E5 color=3D#000000 size=3D3> =
=D5=E2=C0=E0=CF=B5=CD=B3=B5=F7=D3=C3</FONT><FONT face=3D=CB=CE=CC=E5 =
color=3D#ff0080 size=3D3>=C9=E6=BC=B0</FONT><FONT face=3D=CB=CE=CC=E5 =
color=3D#000000 =
size=3D3>=B5=BD=B6=D4=C7=FD=B6=AF=C6=F7=A1=A2=B4=C5=C5=CC=B4=C5=CD=B7=B5=C4=
=BF=D8=D6=C6=A3=AC=D2=D4=BC=B0=B6=D4=B4=C5=C5=CC=C2=DF=BC=AD=BF=E9=B5=C4=CA=
=E4=C8=EB=A1=A2=CA=E4=B3=F6=A3=AC</FONT></PRE><PRE><FONT =
face=3D=CB=CE=CC=E5 color=3D#000000 size=3D3> =
=B0=FC=C0=A8=D7=A2=CF=FA=B5=B1=C7=B0=C5=CC=B2=A2=B9=D8=B5=F4=C7=FD=B6=AF=C6=
=F7=C2=ED=B4=EF=A3=BB=D1=A1=D4=F1=B5=B1=C7=B0=C7=FD=B6=AF=C6=F7=A3=A8=BC=B4=
=D1=A1=D4=F1=B5=B1=C7=B0=C5=CC=A3=A9=A3=BB=C8=A1=B5=B1=C7=B0=C5=CC=B5=C4=CE=
=BB=CD=BC</FONT></PRE><PRE><FONT face=3D=CB=CE=CC=E5 color=3D#000000 =
size=3D3> =
=A3=BB=B6=C1=C5=CC=C9=CF=B5=C4=D2=BB=B8=F6=C2=DF=BC=AD=BF=E9=A3=BB=CD=F9=B4=
=C5=C5=CC=C9=CF=D0=B4=D2=BB=B8=F6=C2=DF=BC=AD=BF=E9=A3=BB=B4=C5=CD=B7=BB=D8=
=C1=E3=B5=C0=B5=C8=CF=B5=CD=B3=B5=F7=D3=C3=A1=A3</FONT></PRE><PRE><FONT =
face=3D=CB=CE=CC=E5 color=3D#000000 size=3D3> <IMG height=3D15 =
src=3D"http://oa.gdut.edu.cn/os/multimedia/oscai/chapter3/images/angle.GI=
F" width=3D14></FONT><FONT face=3D=CB=CE=CC=E5 color=3D#800080 =
size=3D3><STRONG>=D3=D0=B9=D8=B4=C5=C5=CC=CE=C4=BC=FE=B9=DC=C0=ED=B5=C4=CF=
=B5=CD=B3=B5=F7=D3=C3</STRONG></FONT></PRE><PRE><FONT =
face=3D=CB=CE=CC=E5 color=3D#000000 size=3D3> =
=CE=AA=C1=CB=B9=DC=C0=ED=B4=E6=D3=DA=B4=C5=C5=CC=C9=CF=B5=C4=CE=C4=BC=FE=A3=
=AC=B2=D9=D7=F7=CF=B5=CD=B3=CE=AA=C3=BF=B8=F6=B4=C5=C5=CC=B6=BC=BD=A8=C1=A2=
=C1=CB=D2=BB=B8=F6</FONT><FONT face=3D=CB=CE=CC=E5 color=3D#ff0080 =
size=3D3>=CE=C4=BC=FE=C4=BF=C2=BC</FONT><FONT face=3D=CB=CE=CC=E5 =
color=3D#000000 =
size=3D3>=A1=A3=B4=C5=C5=CC=C9=CF=B5=C4</FONT></PRE><PRE><FONT =
face=3D=CB=CE=CC=E5 color=3D#000000 size=3D3> =
=C3=BF=B8=F6=CE=C4=BC=FE=D4=DA=D5=E2=B8=F6=C4=BF=C2=BC=D6=D0=BE=F9=D3=D0=B5=
=C7=C2=BC=A3=AC=BC=B4=D5=BC=D3=D0=D2=BB=B8=F6</FONT><FONT =
face=3D=CB=CE=CC=E5 color=3D#ff0080 =
size=3D3>=C4=BF=C2=BC=B1=ED=C4=BF</FONT><FONT face=3D=CB=CE=CC=E5 =
color=3D#000000 =
size=3D3>=A1=A3=CB=FC=D6=B8=C3=F7=D2=BB=B8=F6=CE=C4=BC=FE=B5=C4=CE=C4=BC=FE=
=C3=FB=A1=A2=CE=C4=BC=FE</FONT></PRE><PRE><FONT face=3D=CB=CE=CC=E5 =
color=3D#000000 size=3D3> =
=CA=F4=D0=D4=BC=B0=C6=E4=D4=DA=B4=C5=C5=CC=C9=CF=B5=C4=CE=BB=D6=C3=B5=C8=B5=
=C8=A1=A3</FONT></PRE><PRE><FONT face=3D=CB=CE=CC=E5 color=3D#000000 =
size=3D3> <IMG height=3D15 =
src=3D"http://oa.gdut.edu.cn/os/multimedia/oscai/chapter3/images/angle.GI=
F" width=3D14></FONT><FONT face=3D=CB=CE=CC=E5 color=3D#800080 =
size=3D3><STRONG>=C6=E4=CB=FC=CF=B5=CD=B3=B5=F7=D3=C3</STRONG></FONT></PR=
E><PRE><FONT face=3D=CB=CE=CC=E5 color=3D#000000 size=3D3> =
=CC=E1=B9=A9=B3=CB=A1=A2=B3=FD=B7=A8=D4=CB=CB=E3=D6=B8=C1=EE=B5=C4=CF=B5=CD=
=B3=B5=F7=D3=C3=A3=AC=BC=B0=CF=B5=CD=B3=C8=D5=C6=DA=A1=A2=CA=B1=BC=E4=BA=CD=
=C8=A1=C8=D5=C6=DA=A1=A2=CA=B1=BC=E4=B5=C4=CF=B5=CD=B3=B5=F7=D3=C3=A1=A3<=
/FONT></PRE>
<DIV align=3Dright><PRE><A name=3D=C4=DA=C8=DD9></A><!--webbot =
bot=3D"ImageMap" rectangle=3D"(2,2) (144, 32) #%e9%a1%b5%e5%a4%b4" =
src=3D"../images/BACKHEAD.GIF" border=3D"0" alt=3D"BACKHEAD.GIF (2500 =
⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -