\documentclass[letterpaper,english]{article}
\nonstopmode
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\usepackage{linuxdoc-sgml}
\usepackage{qwertz}
\usepackage{url}
\usepackage[latin1]{inputenc}
\usepackage{t1enc}
\usepackage[english]{babel}
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\def\addbibtoc{
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\title{The LBX Mini-HOWTO}
\author{Paul D. Smith, {\ttfamily \onlynameurl{psmith@baynetworks.com}}}
\date{v1.04, 11 December 1997}
\abstract{LBX (Low Bandwidth X) ¬O¤@ºØ¦b X Protocol ¤W¶i¦æÀ£ÁYªº X Server ©µ¦ù¡C¥Lªº¥Î·N¦b©ó§ïµ½§C³tºô¸ô³s±µ®É¡AX µ{¦¡»P X Server Åã¥Ü¤Î¦^À³ªº®É¶¡¡C}


\begin{document}
\maketitle
\tableofcontents

\section{¤º®e}

X protocol ¥i¯à»s³yºô¸ô¤Wªº¾Ã¶ë¡A
¤×¨ä¬O¤@¨Ç¬Ý¦üÂ²³æªº¨Æ±¡¡A¨Ò¦p¶}·sªºµøµ¡¡C
¥ô¦ó¤H¹Á¸ÕµÛ¦b 28.8 ©Î¬O§ó§Öªº¼·±µºô¸ô¤W¨Ï¥Î X
¶}±Ò¤@­Ó X µøµ¡³£¯à³y¦¨·¥µh­Wªºµ¥«Ý¡C

LBX °ò¥»¤W¬O¬°¤F´î¤Ö¨â­Ó¨t²Îªº X °T®§¥æ´«À£ÁY·¥§Ö¨úªº±M®×¡C






\section{LBX ¥Ø«eªºª¬ªp¡H}

LBX §¹¥þ©µ¦ù¦b 1996¤Q¤G¤ë¥Ñ X ªÀ¸sÄÀ¥X X11R6.3 ªº X Protocol ¡C
¥H XFree86 ®a±Ú¦Ó¨¥¡A¦oºâ¬O XFree86 3.3.x ¨t¦Cªº¤@¤À¤l¡C




\section{½Ö¯à¦A LBX ¤WÀò±o§Q¯q¡H}

¦pªG§A§Q¥Î¼·±µ¨Ï¥ÎªA°È¡ALBX ±N¥i¥H¥[³t X
µ{¦¡©ó»·ºÝ°õ¦æ¡A¦Ó¦b DISPLAY Àô¹ÒÅÜ¼Æ³]©wªº¥»ºÝªº
³s±µ¡C¦¹¥~¦pªG DISPLAY ³]©w¸ó¶V WAN (¨Ò¦p¸ó°êªº)
©Î¬O¨ä¥Lªº§C³t³s±µ¡A LBX ³£¦³©Ò§U¯q¡C






\section{½Ö¤£»Ý­n LBX¡H}

¦pªG§AÃèÀR¤î»Ý­n¦b¥»ºÝ¨Ï¥ÎX
©Î¬O§A®Ú¥»¤£¨Ï¥Î X¡A·íµM¡A LBX ¤£·|¦³¥ô¦ó§U¯q¡C

¦pªG§A¦b°ª³tªº LAN ¤W¡A LBX ¤]¤£·|¦³¤Ó¤j§U¯q¡C  
¦³¨Ç¤H¤]³\·|°Ý"¦pªG LBX ¯à´î§Cºô¸ô¥æ³q¡A¨º»ò¬°¤°·|¦b
°ª³tªº LAN ¤W¨S¦³À°§U¡H"  ¦pªG§Aªº¥Øªº¬O¦b©ó´î¤Öºô¸ô¬y¶q
¨º»ò¥¦ªº½T¥i¯à¦³©ÒÀ°§U¡C ¦ý¬O§Aªº¥Øªº¬O´î¤Ö X ªº¦^À³®É¶¡¡A
LBX ¥i¯à¤£¬O§A©Ò»Ý­nªº¡C  ÁöµM¥¦¨Ï¥Î§Ö¨ú¥H¤Î
À£ÁY¡A¦ý¬O¥L­Ì¤]³y¦¨¤@¨Çªá¶O ( §Ö¨ú»Ý­n°O¾ÐÅé
À£ÁY»Ý­n CPU ®É¶¡ )¡C  ¦pªG§Aªº³s½u¤w¸g«Ü§Ö³t¤F
LBX ¤Ï¦Ó¥i¯à­°§C³t«×¡C






\section{¦p¦óÅý LBX ¤u§@¡H}

LBX §Q¥Î¦b X client ºÝªº¤@­Ó³B²z§Ö¨ú©MÀ£ÁYªº{\itshape ¥N²z¦øªA¾¹\/}¤u§@¡C 
X ¦øªA¾¹ª¾¹D»·ºÝ¨Ï¥Î³o¤@­Ó¥N²z¸Ë¸m¡A¨Ã¨Ì¾Ú¥L¦Ó¶i¦æ¸ÑÀ£ÁY¡C

¥H¤U¬O X clientsªº¤@¯ë³]©w¡C¦b§Ú­Ìªº°Q½×¤¤¥»ºÝ (LOCAL)
«üªº¬O¦b§A­±«eªº¤u§@¯¸¡A§A¯à¨£¨ì¥¦ªº¿Ã¹õ¡C¦Ó»·ºÝ (REMOTE) 
«üªº¬O§A»·ºÝ¶]µ{¦¡ªº¤u§@¯¸¡C

\begin{tscreen}
\par
\addvspace{\medskipamount}
\nopagebreak\hrule
\begin{verbatim}
     REMOTE                               LOCAL
 +-----+                                             +-----+
 | APP |-\          Network            +----------+  |     |\
 +-----+  \--------------------------->| X SERVER |=>|     ||
 +-----+  /       (X Protocol)         +----------+  +-----+\
 | APP |-/                                          /_____//
 +-----+
\end{verbatim} 
\nopagebreak\hrule 
\addvspace{\medskipamount}
\end{tscreen}


·í¨Ï¥Î LBX ¡A¤@­Ó¥N²z¦øªA¾¹ ( {\ttfamily lbxproxy} ) ¦b»·ºÝ³Q³B²z
¡A²{¦b¥»ºÝ¥ý©M¥N²z¦øªA¾¹·¾³q¡A¦Ó¤£¬Oª½±µ©Mµ{¦¡·¾³q¡C
±µµÛ³oµ{§Ç³B²z§Ö¨ú¥H¤ÎÀ£ÁY X ªº­n¨D¨Ã¶Ç»¼¥L­Ì¡C
¥L­Ì¬Ý°_¨Ó¹³¬O¡J

\begin{tscreen}
\par
\addvspace{\medskipamount}
\nopagebreak\hrule
\begin{verbatim}
     REMOTE                                         LOCAL
                                                               +-----+
 +-----+  +-------+           Network            +----------+  |     |\
 | APP |->| PROXY |----------------------------->| X SERVER |=>|     ||
 +-----+  +-------+       (LBX/X Protocol)       +----------+  +-----+\
 +-----+   /                                                  /_____//
 | APP |--/
 +-----+
\end{verbatim} 
\nopagebreak\hrule 
\addvspace{\medskipamount}
\end{tscreen}


¦Ü©ó¨ì©³¬O¤°»òªF¦è³QÀ£ÁY¥H¤Î³Q§Ö¨ú«h¤£¬O³o©ñ¤å¥ó°Q½×ªº½d³ò¡C




\section{§Ú»Ý·Ç³Æ­n¤°»ò¥h¨Ï¥Î LBX¡H}

§A»Ý­n¤@­Ó¤w¸g±N LBX ½sÄ¶¾ã¦X¦b¥»ºÝªº X Server¡C
°£«D§A¦b½sÄ¶ªº®É­Ô«ü©w¤£±N LBX ¾ã¦X©ó¨ä¤¤¡A
§_«h X11R6.3 ·|¦Û°Êªº¨Ï¥Î LBX ªº¯S©Ê¡C
©Ò¦³ªº XFree86 3.3 server ¹w³]³£·|§â LBX ¾ã¦X©ó¨ä¤¤¡C

§A¥i¥H¨Ï¥Î {\ttfamily xdpyinfo} ³o­Ó©R¥OÀË¬O§Aªº server ¬O§_¥´¶}¤F LBX ªº¥\¯à¡C
°õ¦æ {\ttfamily xdpyinfo} §Y¥i¦b number of extensions ªº¦Cªí¤U­±¡A¨£¨ì LBX ¦C¦b¨ä¤¤¡C

¤U¤@¤£§A»Ý­n¤@­Ó¦b»·ºÝ¤w¸g±N {\ttfamily lbxproxy} ³oµ{¦¡½sÄ¶¦b¤ºªº¨t²Î¡C
³oÃä¦³­Ó³´¨À¡C  ¦pªG»·ºÝªº¨t²Î©M§A¥»ºÝ¤£¦P¡A¨º»ò¦b¥»ºÝªº {\ttfamily lbxproxy} ±N¤£·|§@¥Î¡C

«Ü¤£©¯ªº¡A¨S©Ò©Ò¿×¤ÀÂ÷¶}ªº {\ttfamily lbxproxy} ¡A©Ò¥H
§A¥²¶· (a) ©Ò¦³ªº»·ºÝ¨t²Î³£¨Ï¥ÎX11R6.3¡A©Î¬O (b) §ä¤@­Ó°w¹ï§Aªº¥»ºÝ¨t²Î¹w¥ý½sÄ¶¦nªº {\ttfamily lbxproxy}¡C
·íµM«áªÌ¬O¤ñ¸û¤è«Kªº¡C

{\ttfamily lbxproxy} ¶È¶È¬O¤@­Ó³æ¤@°õ¦æÀÉ¡C
¥¦¨S¦³¥ô¦óªº³]©wÀÉ©Î¬O¸ê·½ÀÉ¡A©Î½Ñ¦p¦¹ÃþªºÀÉ®×¡C




\section{§Ú¤£»Ý­n·Ç³Æ¤°»ò¥h¨Ï¥Î LBX¡H}

»·ºÝ¨t²Î{\bfseries ¤£»Ý­n}¤@­Ó·sªº X server (¦p¦P¤@¯ëªºª¬ªp¡A»·ºÝ¨t²Î¨Ã¤£»Ý­n{\itshape ¥ô¦ó\/}¤@­Ó X Server).

§A©Ò»Ýªºµ{¦¡¨Ã{\bfseries ¤£»Ý­n}«ü©w¯S§Oª©¥»ªº X ©Î¬O¯S§Oªº¨ç¦¡®w¡C
§Ú­É¥Ñ LBX ¨Ï¥Î X11R5 ªºµ{¦¡¡A¤]¨S¸I¨ì¤°»ò°ÝÃD¡C

§A{\bfseries ¤£»Ý­n}¨Ï¥Î root ©Î¬O¯S§OªºÅv­­¦s¨ú¿ïºÝ¨t²Î¡C
§A¥u»Ý­n¤@¯ëªºÅv­­°õ¦æ {\ttfamily lbxproxy}¡C
¥t¥~§A¥u»Ý­n¦b§A¦Û¤vªº®a¥Ø¿ý¤U°õ¦æ§Y¥i¡Albxproxy ¨Ã¤£»Ý­n¦w¸Ë¦b¯S©wªº¥Ø¿ý¡C




\section{¦p¦ó¨Ï LBX ¶}©l¤u§@¡H}

OK¡A±µ¤U¨Óªº¨BÆJ³£«ÜÂ²³æ¡C
±N¤U¦C LOCAL ¥H¤Î REMOTE ¥Î§A¥»ºÝ¥H¤Î»·ºÝªº¥D¾÷¦WºÙ¨ú¥N¡C
( ¤d¸U¤£­n·d²V¤F )On LOCAL:

\begin{enumerate}
\item  ±Ò°Ê§Aªº X server¡C
\item  §i¶D§Aªº X server ­þ¨Ç»·ºÝ¨t²Î¬O³Q¤¹³\¦s¨úªº¡C
¨Ï¥Î host-list ªº¤èªk¡AÁä¤J {\ttfamily xhost + REMOTE}¡C¦pªG§A­n¨Ï¥Î {\ttfamily xauth} 
§A»Ý­n§@§ó¦h¨Æ±¡¡F½Ð°Ñ¾\ man {\itshape xauth(1)\/} ¥HÀò±o§ó¦hªº¸ê°T¡C

¦pªG§A¤£¼ô±x X »·ºÝªº¦s¨ú¡A¨º»ò§A»Ý­n°Ñ¾\
\nameurl{http://www.xs4all.nl/~zweije/xauth.html}{Remote X Apps Mini-HOWTO} ¡C
\end{enumerate}


On REMOTE:

\begin{enumerate}
\item  °_©l {\ttfamily lbxproxy} ¨Ã§i¶D¥¦¶Ç°e°T®§¨ì¥»ºÝªº X server¡A¦p¤U¡J

\begin{tscreen}
\begin{verbatim}
  $ lbxproxy -display LOCAL:0 :1 &
\end{verbatim}
\end{tscreen}


³o§i¶D {\ttfamily lbxproxy} ¦b»·ºÝ¨t²Î¨Ï¥Î display {\ttfamily :1} ¡F¦pªG¨t²Î¤j©ó
1 ªº display ¤w¸g¦b¨Ï¥Î¡C§A¥i¥H¨Ï¥Î {\ttfamily :2} ¤§Ãþªº³]©w¨ú¥N¡C
\item  ³]©w§Aªº DISPLAY Àô¹ÒÅÜ¼Æ¡A¨Ï¦¹Àô¹ÒÅÜ¼Æ©M§A
{\ttfamily lbxproxy} ©Ò³]©wªº¬Û¦P¡C¨ú¥N¥­±`ªº DISPLAY ³]©w

\begin{tscreen}
\begin{verbatim}
  $ DISPLAY=:1
  $ export DISPLAY
\end{verbatim}
\end{tscreen}


¦pªG§A¨Ï¥Î csh ¤§Ãþªº¡A¥H¤U¥i¯à¬O§A©Ò»Ý­nªº¡J

\begin{tscreen}
\begin{verbatim}
  % setenv DISPLAY :1
\end{verbatim}
\end{tscreen}

\item  ¦pªG§A¨Ï¥Î {\ttfamily xauth} §A»Ý­n½T©w§Aªº cookie ¥¿½Tªº¹B§@¡C§A¥i¥H±q \nameurl{http://www.xs4all.nl/~zweije/xauth.html}{Remote X Apps Mini-HOWTO}
Àòªº§ó¦hªº¸ê°T¡C

\item  °õ¦æ§Aªº X µ{¦¡¡I
\end{enumerate}


±µ¤U¨Ó´N§¹¦¨¤F¡F©Ò¦³¦b Display Àô¹ÒÅÜ¼Æ¬°{\ttfamily :1} ªº X µ{¦¡³£·|¦b³£·|¨Ï¥Î
LBX¡C·íµM¡A§A¨S¦³¿ìªk°_©l¤@­Ó X µ{¦¡¡A¨ä Display ªºÀô¹ÒÅÜ¼Æ¬O«ü¦V
{\ttfamily LOCAL:0} ¥H¤Î¦b¦P¤@­Ó®É¶¡¤U°õ¦æ¡C






\section{°ÝÃD}

³oÃä¦³¤@¨Ç±`¨£ªº°ÝÃD¡J

\begin{description}
\item[Q)] \mbox{}

{\ttfamily lbxproxy} ¥H access denied ªº¿ù»~µ²§ôµ{¦¡¡C



\item[A)] \mbox{}

³o¬O¥Nªí§A¶iºÝªº¨t²Î¤£±µ¨ü¿ïºÝ¨t²Îªº³sµ²¦Ó²£¥Íªº¿ù»~¡C
½Ð°Ñ¾\ \nameurl{http://www.xs4all.nl/~zweije/xauth.html}{Remote X Apps Mini-HOWTO} ¦³§ó¸ÔºÉªº»¡©ú¡C

¸I¨ì³o°ÝÃD®É¡A¦³¤@­ÓÂ²³æªº¸ÕÅç¤è¦¡¡C½Ð¸ÕµÛ¦b»·ºÝ¤£­n³z¹L
{\ttfamily lbxproxy} °õ¦æ¤@­ÓÂ²³æªº X µ{¦¡¡A
¤ñ¦p»¡ {\ttfamily xclock} ¡J



\begin{tscreen}
\begin{verbatim}
  $ xclock -display LOCAL:0
\end{verbatim}
\end{tscreen}


¦pªG¥¦¤£¯à¥¿±`ªº¤u§@¡A¨º»ò´Nªí¥Ü¬O{\ttfamily xhost}©Î¬O
¨ä¥L¤@¨Ç°ò¥»ªº X °ÝÃD¦Ó¤£¬O LBX¡C

\end{description}





\section{Documentation}

¦b¼Ð·Çªº X ¤å¥ó¤¤¡A°ß¤@¥i¥H°Ñ¾\ªº¤å¥óÀ³¸Ó¬O man {\itshape lbxproxy(1)\/}¡C

¦pªG§A¦³¬Ý X ªº­ì©lÀÉ¡A¨º»ò¤U¦C¦³¨Ç¦³½ìªº¸ê°T¦³Ãö LBX ¡J

\begin{itemize}
\item {\ttfamily xc/doc/specs/Xext/lbx.mif} (Framemaker MIF)
\item {\ttfamily xc/doc/hardcopy/Xext/lbx.PS.Z} (Compressed Postscript)
\item {\ttfamily xc/doc/hardcopy/Xext/lbxTOC.html} (HTML)
\end{itemize}


LBX §ó²`¤Jªººtºâªk¦b¤U¦Cªº¦a¤è¡J

\begin{itemize}
\item {\ttfamily xc/doc/specs/Xext/lbxalg.mif} (Framemaker MIF)
\item {\ttfamily xc/doc/specs/Xext/lbxalg.PS.Z} (Compressed Postscript)
\end{itemize}


¦pªG§A¨S¦³ X ªº­ì©lÀÉ¡A§A¥i¥H¥Ñ \nameurl{ftp://ftp.x.org/pub/R6.3/xc/doc/}{X ²ÕÂ´ªº FTP ¯¸¨ú±o}¡C






\section{Alternatives}

¦pªG§A¦³¬Y¨Ç­ì¦]¤£³ßÅw {\ttfamily lbxproxy} ¡C¨Ò¦p§A¤£³ßÅw¥Lªº°õ¦æ®Ä²v¡A
¥¦¤£À°§A¤u§@¡A §A¤£·Q³Â·Ðªº¬°»·ºÝ«Ø¥ß lbxproxy ©ÎµÛ§A¥u¬O·Q¬O¬O¨ä¥Lªº¿ï¾Ü¡A
³oÃä¦³¤@¨Ç¨ä¥Lªº X protocol À£ÁY¤è¦¡¡C (¦³¨S¦³¤H¦³¨ä¥Lªº¤è®×¡H)




\subsection{dxpc - ¤@­Ó·¥¤£¤@¼Ëªº X Protocol À£ÁYµ{¦¡}

\begin{itemize}
\item ­ì¥»ªº§@ªÌ¡J \onlynameurl{Brian Pane $<$brianp@cnet.com$>$}
\item ²{¤UªººûÅ@ªÌ¡J \onlynameurl{Zachary Vonler $<$lightborn@mail.utexas.edu$>$}
\end{itemize}


{\ttfamily \nameurl{http://ccwf.cc.utexas.edu/~zvonler/dxpc/}{dxpc}} ©M LBX ¥H¬Û¦Pªº¤è¦¡¹B§@¡CµM¦Ó¬°¤FÁ×§K­×§ï X Serverªº­ì©l½X
¥H¤Î¹ê§@¤@­Ó X Server ªºÂX¥R{\ttfamily dxpc} ¨Ï¥Î {\bfseries ¨â­Ó} ¥N²z¦øªA¾¹¡J 
¤@­Ó¹³¬O {\ttfamily lbxproxy} ¶]¦b»·ºÝªº¨t²Î¡A¥t¤@­Ó«h¦b¥»ºÝ°õ¦æ¡C

¦b»·ºÝªº¥N²z¦øªA¾¹­t³d·¾³q X Client ¥H¤Î¥»ºÝªº¥N²z¦øªA¾¹¡A
¦Ó¥»ºÝªº¥N²z¦øªA¾¹­t³d·¾³q X Server ¥H¤Î»·ºÝªº¥N²z¦øªA¾¹¡C

©Ò¥H¡A¹ï©ó X clients ¥H¤Î X server  {\itshape ¨â³y\/}¡A¥L­Ì³£¥H¥­±`ªº³B²z¤è¦¡³B²z X Protocol




\subsubsection{ÀuÂI}

\begin{itemize}
\item  ¬JµM¥¦¬O§¹¥þªº¿W¥ßµ{¦¡¦Ó¤£»Ý­n°Ê¨ì X ªº¤º³¡¡A
¥¦¤@©w{\itshape «D±`ªº\/} ®e©ö½sÄ¶¥H¤Î¦w¸Ë¡C
\item  ¥¦¬O¿W¥ßªº³QºûÅ@µÛ¡A©Ò¥H§A¤£»Ý­n
OSF ÄÀ¥X·sªº X ¡A§Y¥i¹Lªº®Ä¯àªº¼W¶i¥H¤Î¿ù»~ªº­×¥¿¡C
\item  ¥¦´£¨Ñ¤F¤ñ {\ttfamily lbxproxy} §ó¦hªºÀ£ÁY¸ê°T¥H¤Î²Î­p¸ê°T¡C
\end{itemize}





\subsubsection{¯ÊÂI}

\begin{itemize}
\item  ¥¦¤£¬O X ªº¼Ð·Ç®M¥ó¡A§A¥²¶·¦Û¤v¨ú±o¥H¤Î½sÄ¶¦w¸Ë¡C
\item  ¥¦¦b¦w¸Ë¤WÅÜªº¤ñ¸û½ÆÂø¡A¦]¬°¥¦­n¨D¦b¥»ºÝ¤]­n¦³¤@­Ó¹³¬O»·ºÝªº¥N²z¦øªA¾¹¡C
\end{itemize}





\subsubsection{§Ú¦b­þ¸Ì¥i¥H±o¨ì dxpc¡H}

dxpc ªº­ì©lÀÉ¥i¥H¦Û\nameurl{ftp://ftp.x.org/contrib/utilities/}{ftp.x.org}¨ú±o¡C

³o¸Ì¦³¤@­Óºô­¶\nameurl{http://ccwf.cc.utexas.edu/~zvonler/dxpc/}{}¦³ dxpc «Ü¦h¤£¿ùªº¸ê°T¡C¥]§t¤F dxpc ªº mailing list¡A­ì©lÀÉ¡A¥H¤Î
¬°¦hºØ¥­¥x¹w¥ý½sÄ¶¦nªº°õ¦æÀÉ¡C




\subsection{Ssh (Secure Shell)}

\onlynameurl{Ken Chase $<$lbxhowto@sizone.org$>$}
notes that {\ttfamily \nameurl{http://www.cs.hut.fi/ssh/}{ssh}} 
¯à³Q¥Î©óÀ£ÁY¡CÁöµM¥¦¥u­nªº¥Øªº¬O¬°¤F«O±K¡A¦ý¬O¥¦¤]À£ÁY¥¦¶Ç°eªº¸ê®Æ¡C

©Ò¥H¦pªG§A¦Û¤@­Ó {\ttfamily ssh} ³sµ²°õ¦æ X ¡A§A¦b¨Ï¥Î¶¡¦ÛµM·|À£ÁY¸ê®Æ¡C


\subsection{½Ö¤ñ¸û¦n¡H}

§Ú¤£ª¾¹D¡C LBX ¥H¤Î {\ttfamily dxpc} ¦b¯ÂÀ£ÁY¤W¤ñ {\ttfamily ssh} ¦n¡C·íµM¡A {\ttfamily ssh} ´£¨Ñ¤F¦b¦w¥þ¤Wªºªþ¥[¥\¯à¡C
¤£¹L¡A¤]¨S¦³¥ô¦ó²z¥Ñ¸T¤î§A¨Ï¥Î {\ttfamily ssh} ¥[¤W¥t¥~¨âºØ¤§¤@ªºÀ£ÁY¤è¦¡¡A¥HÀò±o¨}¦nªºÀ£ÁY¥H¤Î¦w¥þ©Ê¡C

¦b³o¨Ç¿ï¾Ü¤W¶]¤@¨Çµû¶q¥HÀò¨ú²Î­p¸ê°T¡AÀ³¸Ó¤£¬O«ÜÃøªº¨Æ¡C
¦ý¬O§Ú¨S¦³°µ¹L³o¥ó¨Æ¡A¤]¨S¦³Å¥»¡¹L¥ô¦ó¤H°µ¹L¡C

\end{document}
