<html><head><meta name="color-scheme" content="light dark"></head><body><pre style="word-wrap: break-word; white-space: pre-wrap;">\chapter{æ²™ç›˜æ¸¸æˆ}

å…ˆä¸è¦æ€¥äºŽå­¦ä¹&nbsp;ä½¿ç”¨ \ConTeXt\ å†™è®ºæ–‡ï¼Œå‡ºä¸“è‘—ï¼Œè™½ç„¶å®ƒæžä¸ºæ“…é•¿è¿™ç±»ä»»åŠ¡ï¼Œä½†æ˜¯æˆ‘è¿˜æ˜¯å¸Œæœ›å…ˆå°†å®ƒå½“æˆä¸€ä¸ªå¯çˆ±çš„æœ‹å‹ï¼Œæ…¢æ…¢åŽ»ç†Ÿæ‚‰å®ƒï¼Œè€Œä¸æ˜¯åŠŸåˆ©ä¸»ä¹‰è§†è§’ä¸‹çš„å·¥å…·ã€‚

\section{æ–°æ‰‹æ‘}

åœ¨ç¬¬ \in[Installation] ç«&nbsp;ä¸­ï¼Œä¸ºäº†éªŒè¯ \ConTeXt\ LMTX æ˜¯å¦å·²æˆåŠŸå®‰è£…ï¼Œæˆ‘ä½¿ç”¨ä¸‰æ¡ \type{echo} å‘½ä»¤æž„é€&nbsp;äº†ä¸€ä»½ç®€å•çš„ \ConTeXt\ æºæ–‡ä»¶ foo.texã€‚äº‹å®žä¸Šï¼Œå¯ä»¥ä½¿ç”¨ä»»ä½•ä¸€ä¸ªæ–‡æœ¬ç¼–è¾‘å™¨æ¥åšæ­¤äº‹ã€‚foo.tex æ–‡ä»¶å†…å®¹å¦‚ä¸‹ï¼š

\starttyping[option=TEX]
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\noindent æ‰§è¡Œä»¥ä¸‹å‘½ä»¤\footnote{ä»Žæœ¬ç«&nbsp;å¼€å§‹ï¼Œä¸€ç›´ä½¿ç”¨ Linux é£Žæ&nbsp;¼çš„å‘½ä»¤æç¤ºç¬¦ \type{$}ã€‚}ï¼Œè°ƒç”¨ \type{context} ç¨‹åºï¼Œå¯å°† foo.tex ç¼–è¯‘æˆ PDF æ–‡ä»¶ foo.pdfï¼š

\starttyping
$ context foo.tex
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\noindent åœ¨ä½¿ç”¨ \type{context} å‘½ä»¤ç¼–è¯‘ ConTeXt æºæ–‡ä»¶æ—¶ï¼Œå¯çœç•¥æ–‡ä»¶æ‰©å±•åã€Œ\type{.tex}ã€ï¼Œå›&nbsp;æ­¤ä¸‹é¢çš„å‘½ä»¤ä¸Žä¸Šè¿°å‘½ä»¤ç­‰æ•ˆï¼š

\starttyping
$ context foo.tex
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çŽ°åœ¨ï¼Œæƒ³å¿…ä½&nbsp;å·²ç»æ•é”åœ°è§‰å¯Ÿåˆ°äº†ï¼Œå‡¡æ˜¯å¼€å¤´ä¸ºåæ–œçº¿ã€Œ\type{\}ã€å¼€å¤´çš„è‹±æ–‡å•è¯ï¼Œéƒ½æ˜¯æŽ’ç‰ˆå‘½ä»¤ï¼Œçš„ç¡®å¦‚æ­¤ã€‚

æŽ’ç‰ˆå‘½ä»¤ \type{\startTEXpage...\stopTEXpage} ç§°ä¸º \type{TEXpage} çŽ¯å¢ƒï¼Œæˆ‘å°†å…¶ç§°ä¸ºæ–°æ‰‹æ‘ã€‚è¿™ä¸€å¯¹æŽ’ç‰ˆå‘½ä»¤æ‰€åŒ…å«çš„å†…å®¹ï¼Œä¾‹å¦‚ã€Œ\type{Hello \ConTeXt!}ã€ä¼šè¢«æŽ’ç‰ˆäºŽä¸€ä¸ªæ°å¥½èƒ½åŒ…å«å®ƒçš„çŸ©å½¢æŽ’ç‰ˆç©ºé—´ã€‚\type{frame} å‚æ•°ç”¨äºŽæŽ§åˆ¶è¾¹æ¡†æ˜¯å¦å¼€å¯ï¼Œå…¶å€¼ä¸º \type{off} æˆ–çœç•¥å¯¹å®ƒçš„è®¾å®šæ—¶ï¼Œå…³é—­è¾¹æ¡†ã€‚\type{offset} å‚æ•°å¯ç”¨äºŽå¯¹æŽ’ç‰ˆç©ºé—´è¿›è¡Œæ‰©å¤§æˆ–ç¼©å°ï¼Œå¦‚ç¤ºä¾‹ \in[starting-area] æ‰€ç¤ºï¼ŒæŽ’ç‰ˆç©ºé—´ä»Žä¸­å¿ƒå‘å››å‘¨è¢«æ‰©å¤§ 2.5 mmã€‚

\startsample
\startTEXpage[frame=on,offset=2.5mm]
Hello \ConTeXt!
\stopTEXpage
\stopsample
\sample[option=TEX][starting-area]{æ–°æ‰‹æ‘}{\externalfigure[02/starting-area.pdf]}

ä¹‹æ‰€ä»¥ç§° \type{TEXpage} çŽ¯å¢ƒä¸ºæ–°æ‰‹æ‘ï¼Œæ˜¯å›&nbsp;å®ƒè¶³å¤Ÿç®€å•ï¼Œå°†å…¶ç”¨äºŽè§‚å¯Ÿå¤§å¤šæ•°æŽ’ç‰ˆå‘½ä»¤çš„æ•ˆæžœæ—¶æ—&nbsp;éœ€å…³å¿ƒç‰ˆé¢çš„å¤©å¤´ã€åœ°è„šã€è®¢å£ã€ç¿»å£ã€ç‰ˆå¿ƒã€é¡µç&nbsp;ç­‰å…ƒç´&nbsp;çš„è®¾å®šã€‚

\section{ä¼ªæ–‡å­—}

\ConTeXt\ æœ‰ä¸€ä¸ªå¯è§†åŒ–æ¨¡å—ï¼Œæä¾›äº†ä¼ªé€&nbsp;å•è¯çš„æŽ’ç‰ˆå‘½ä»¤ï¼Œä½¿ç”¨è¯¥å‘½ä»¤å¯ä»¥ç”Ÿæˆä¸€äº›é»‘è‰²çš„é•¿çŸ­éšæœºçš„çŸ©å½¢å—ï¼Œå¯å°†å®ƒä»¬å½“æˆæ–‡å­—ï¼Œä»Žè€Œåœ¨æ²™ç›˜ä¸Šå¯ä»¥æ›´åŠ&nbsp;éšå¿ƒæ‰€æ¬²ä¸€äº›ã€‚

å¦‚ç¤ºä¾‹ \in[true-words] æ‰€ç¤ºï¼ŒæŽ’ç‰ˆä¸¤è¡Œæ–‡å­—ï¼Œæ¯è¡Œç”± 5 ä¸ªå•è¯ç»„æˆã€‚ç¤ºä¾‹ \in[true-words] ç»™å‡ºäº†ä¼ªæ–‡å­—çš„æ•ˆæžœã€‚åŒæ&nbsp;·æ˜¯ä¸¤è¡Œæ–‡å­—ï¼Œæ¯ä¸€è¡Œç”± 3ï½ž5 ä¸ªå•è¯æž„æˆã€‚

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\sample[option=TEX][true-words]{ä¸¤è¡ŒçœŸå®žæ–‡å­—}{\externalfigure[02/true-words.pdf]}

\startsample
\usemodule[visual]
\startTEXpage[frame=on,offset=2.5mm]
\fakewords{3}{5}\\ 
\fakewords{3}{5}
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\sample[option=TEX][fakewords]{ä¸¤è¡Œä¼ªæ–‡å­—}{\externalfigure[02/fakewords.pdf]}

\section{æ³¨é‡Š}

åœ¨ç¤ºä¾‹ \in[true-words] çš„æºä»£ç&nbsp;ä¸­ï¼Œã€Œ\type{%}ã€åŠå…¶åŽé¢çš„åŒä¸€è¡Œæ–‡å­—ï¼Œæ˜¯ \TeX\ æ³¨é‡Šæ–‡æœ¬ï¼Œå®ƒä»¬ä¼šè¢« \type{context} ç¨‹åºå¿½ç•¥ï¼Œæ•…è€Œä¸ä¼šå‡ºçŽ°åœ¨æŽ’ç‰ˆç»“æžœä¸­ã€‚æ³¨é‡Šæ˜¯ä¸ºäº†ä¾¿äºŽäººç±»é˜…è¯» \ConTeXt\ æºä»£ç&nbsp;è€Œå­˜åœ¨çš„ã€‚

\section{æ¢è¡Œç¬¦}

åœ¨ç¤ºä¾‹ \in[true-words] å’Œ \in[fakewords] çš„æºä»£ç&nbsp;ä¸­ï¼Œã€Œ\type{\\}ã€æ˜¯å¼ºåˆ¶æ¢è¡Œå‘½ä»¤ï¼Œå€˜è‹¥å°†å…¶åˆ&nbsp;é™¤ï¼Œå³ä½¿åœ¨æºä»£ç&nbsp;ä¸­å°†æ–‡å­—åˆ†ä¸ºä¸¤è¡Œï¼Œä¾‹å¦‚

\starttyping[option=TEX]
This is the first line.
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\stoptyping

\noindent æŽ’ç‰ˆç»“æžœä¾ç„¶æ˜¯ä¸€è¡Œï¼Œè€Œä¸”æ¢è¡Œç¬¦ä¼šè¢« \type{context} ç¨‹åºè§†ä¸ºä¸€ä¸ªç©ºæ&nbsp;¼ï¼Œä¸å¦¨äº²è‡ªåŠ¨æ‰‹è¯•éªŒä¸€ä¸‹ã€‚

åœ¨ä½¿ç”¨æ¢è¡Œç¬¦çš„æƒ…å†µä¸‹ï¼Œå³ä½¿ä¸¤è¡Œæ–‡å­—åœ¨æºä»£ç&nbsp;ä¸­å¤„äºŽåŒä¸€è¡Œï¼Œä¾‹å¦‚

\starttyping[option=TEX]
This is the first line.\\ This is the second line.
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\noindent æŽ’ç‰ˆç»“æžœä¾ç„¶æ˜¯ä¸¤è¡Œã€‚

\type{\crlf} ä¹Ÿèƒ½ç”¨äºŽå¯¹æ–‡å­—å¼ºåˆ¶è¿›è¡Œæ–­è¡Œã€‚å€˜è‹¥ä¸å¸Œæœ›å¯¹æ¯ä¸€è¡Œéƒ½è¾“å…¥æ–­è¡Œå‘½ä»¤ï¼Œä¹Ÿå¯ä»¥è€ƒè™‘ä½¿ç”¨ \type{lines} çŽ¯å¢ƒï¼Œè¯·å‚è€ƒç¤ºä¾‹ \in[lines]ã€‚

\startsample
\usemodule[visual]
\startTEXpage[frame=on,offset=2.5mm]
\startlines
\fakewords{3}{5}
\fakewords{4}{7}
\fakewords{5}{9}
\stoplines
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\stopsample
\sample[option=TEX][lines]{æŽ’ç‰ˆå¤šè¡Œæ–‡æœ¬}{\externalfigure[02/lines.pdf]}

\section{åˆ†æ®µ}

è§‚å¯Ÿç¤ºä¾‹ \in[pars]ï¼Œè™½ç„¶æŽ’ç‰ˆç»“æžœä¾ç„¶æ˜¯ä¸¤è¡Œï¼Œä½†å®žé™…ä¸Šå®ƒæ˜¯ä¸¤æ®µã€‚\type{\par} æ˜¯åˆ†æ®µå‘½ä»¤ã€‚

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\usemodule[visual]
\startTEXpage[frame=on,offset=2.5mm]
\startlines
\fakewords{3}{5}\par
\fakewords{3}{5}
\stoplines
\stopTEXpage
\stopsample
\sample[option=TEX][pars]{åˆ†æ®µ}{\externalfigure[02/pars.pdf]}

é€šå¸¸å¾ˆå°‘ä½¿ç”¨åˆ†æ®µç¬¦å¯¹æ–‡æœ¬è¿›è¡Œåˆ†æ®µï¼Œå›&nbsp;ä¸ºåœ¨ \ConTeXt\ æºæ–‡æ¡£ä¸­ï¼Œåªéœ€åœ¨ä¸¤æ®µæ–‡å­—ä¹‹é—´ç©ºä¸€è¡Œä¾¿å¯å®žçŽ°åˆ†æ®µã€‚ç¤ºä¾‹ \in[pars-2] ä½¿ç”¨ç©ºè¡Œè¿›è¡Œåˆ†æ®µï¼Œå¹¶é€šè¿‡é™å®šã€Œæ–°æ‰‹æ‘ã€çš„å®½åº¦ä¸º 6 cmï¼Œä»Žè€Œåœ¨ä¿ƒç‹­çš„ç©ºé—´é‡Œå±•ç¤ºäº†å¤šè¡Œä¼ªæ–‡å­—æž„æˆçš„æ®µè½ã€‚

\startsample
\usemodule[visual]
\startTEXpage[frame=on,offset=2.5mm,width=6cm]
\fakewords{9}{15}

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\stopsample
\sample[option=TEX][pars-2]{å¤šè¡Œæ–‡æœ¬æž„æˆçš„æ®µè½}{\externalfigure[02/pars-2.pdf]}

æ®µè½å¯ä»¥è®¾ç½®é¦–è¡Œç¼©è¿›ã€‚ä¸­æ–‡æŽ’ç‰ˆçš„æƒ¯ä¾‹æ˜¯ï¼Œæ®µè½é¦–è¡Œéœ€ç¼©è¿› 2 ä¸ªæ±‰å­—çš„å®½åº¦ï¼Œç¤ºä¾‹ \in[pars-3] å®žçŽ°äº†è¯¥éœ€æ±‚ï¼ŒæŽ’ç‰ˆç»“æžœä¸­æ®µè½å¼€å¤´çš„è“è‰²çŸ©å½¢åŒºåŸŸè¡¨ç¤ºæ–‡å­—ç¼©è¿›åŽäº§ç”Ÿçš„ç©ºç™½åŒºåŸŸã€‚å°ºå¯¸ 2em å³è‹±æ–‡å­—æ¯ \type{M} çš„å®½åº¦çš„ 2 å€ï¼Œåˆšå¥½ä¸Žä¸¤ä¸ªæ±‰å­—çš„å®½åº¦ç›¸åŒã€‚è¿˜æœ‰ä¸€ä¸ªå¸¸ç”¨çš„å°ºå¯¸å•ä½ exï¼Œå®ƒæ˜¯è‹±æ–‡å­—æ¯ \type{x} çš„é«˜åº¦ã€‚

\startsample
\usemodule[visual]
\startTEXpage[frame=on,offset=2.5mm,width=6cm]
\setupindenting[first,always,2em]
\fakewords{9}{15}

\fakewords{9}{15}
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\stopsample
\sample[option=TEX][pars-3]{è®¾ç½®æ®µè½é¦–è¡Œç¼©è¿›}{\externalfigure[02/pars-3.pdf]}

æ&nbsp;¹æ®æ–‡æ¡£ã€ŒFaking text and moreã€\cite[faking-text]çš„æç¤ºï¼Œå¯å°†æ®µè½ç¼©è¿›åŒºåŸŸçš„é¢œè‰²å®šä¹‰ä¸ºç™½è‰²ï¼Œä»Žè€Œå¯é¿å…è“è‰²çŸ©å½¢å—å¯¹è§†è§‰çš„å¹²æ‰°ï¼Œè§ç¤ºä¾‹ \in[parindentcolor]ã€‚

\startsample
\usemodule[visual]
\startTEXpage[frame=on,offset=2.5mm,width=6cm]
\setupindenting[first,always,2em]
% å°†ç¼©è¿›åŒºåŸŸçš„é¢œè‰²ç”±é»˜è®¤çš„è“è‰²æ”¹ä¸ºç™½è‰²
\definecolor[fakeparindentcolor][white]
\fakewords{9}{15}

\fakewords{9}{15}
\stopTEXpage
\stopsample
\sample[option=TEX][parindentcolor]{æ¶ˆé™¤æ®µè½ç¼©è¿›è‰²å—}{\externalfigure[02/parindentcolor.pdf]}

åœ¨è®¾å®šæ®µè½é¦–è¡Œç¼©è¿›åŽï¼Œè‹¥ä¸å¸Œæœ›æŸä¸ªæ®µè½çš„é¦–è¡Œè¢«ç¼©è¿›ï¼Œå¯åœ¨æ®µè½å¼€å¤´æ”¾ç½®å‘½ä»¤ \type{\noindent}ã€‚ç¤ºä¾‹ \in[noindent]ï¼Œç¬¬äºŒæ®µæ¶ˆé™¤äº†ç¬¬äºŒæ®µæ–‡å­—çš„é¦–è¡Œç¼©è¿›ã€‚

\startsample
\usemodule[visual]
\startTEXpage[frame=on,offset=2.5mm,width=6cm]
\setupindenting[first,always,2em]
\definecolor[fakeparindentcolor][white]
\fakewords{9}{15}

\noindent\fakewords{9}{15}
\stopTEXpage
\stopsample
\sample[option=TEX][noindent]{æ¶ˆé™¤ç¬¬äºŒæ®µçš„é¦–è¡Œç¼©è¿›}{\externalfigure[02/pars-4.pdf]}

\section[interlinespace]{è¡Œé—´è·}

\ConTeXt\ é»˜è®¤çš„æ®µè½å†…å„è¡Œæ–‡å­—çš„é—´è·æ˜¯ 2.8 exï¼Œçº¦ç­‰äºŽ \ConTeXt\ é»˜è®¤çš„æ­£æ–‡å­—ä½“å¤§å° 12 ptã€‚å¯ä½¿ç”¨ \type{\setupinterlinespace}  å¯¹è¡Œé—´è·è¿›è¡Œè°ƒæ•´ã€‚å¦‚ç¤ºä¾‹ \in[pars-5] å°†è¡Œé—´è·è®¾ä¸º 1.75 å€é»˜è®¤è¡Œè·ã€‚

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\startTEXpage[frame=on,offset=2.5mm,width=6cm]
\setupindenting[first,always,2em]
\definecolor[fakeparindentcolor][white]
\setupinterlinespace[1.75]
\fakewords{9}{15}

\fakewords{9}{15}
\stopTEXpage
\stopsample
\sample[option=TEX][pars-5]{å¤šè¡Œæ–‡æœ¬æž„æˆçš„æ®µè½}{\externalfigure[02/pars-5.pdf]}

ä¸è¿‡ï¼Œæˆ‘å‘çŽ°ç¤ºä¾‹ \in[pars-5] çš„è¡Œé—´è·è®¾å®šè¯­å¥è‹¥æ”¾åœ¨ \type{\startTEXpage} è¯­å¥ä¹‹å‰åˆ™æ—&nbsp;æ•ˆ\footnote{åœ¨ \in[context-world] èŠ‚ä¸­ä¼šä»‹ç» \type{\starttext ... \stoptext}ï¼Œç›´æŽ¥ä»¥é»˜è®¤è¡Œè·å€æ•°çš„æ–¹å¼è®¾ç½®è¡Œé—´è·ï¼Œè‹¥è®¾å®šè¯­å¥ä½äºŽ \type{\starttext} ä¹‹å‰åˆ™åŒæ&nbsp;·æ—&nbsp;æ•ˆã€‚}ï¼Œä¹Ÿè®¸æ˜¯å½“å‰çš„ \ConTeXt\ LMTX ç‰ˆæœ¬å­˜åœ¨ bugã€‚

è¿˜æœ‰ä¸€ç§è¡Œé—´è·è®¾å®šæ–¹æ³•ã€‚å¾…ä½&nbsp;æŽŒæ¡ç¬¬ \in[chinese-fonts] ç«&nbsp;ä¸­è®²è¿°çš„ \ConTeXt\ å­—ä½“è®¾å®šæ–¹æ³•ï¼Œå¹¶æ¸…æ¥šæ­£æ–‡å­—ä½“çš„å¤§å°æ—¶ï¼Œå¯ä½¿ç”¨ \type{line} å‚æ•°è®¾å®šæœ€å¤§è¡Œé«˜ã€‚ä¾‹å¦‚ï¼Œè‹¥æ­£æ–‡å­—ä½“å¤§å°ä¸º 11 ptï¼Œä»¥ä¸‹ä»£ç&nbsp;å¯è®¾å®šè¡Œé—´è·ä¸º 1.75 å€ï¼š

\starttyping[option=TEX]
\setupinterlinespace[line=19.25pt]
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\noindent ä¹‹æ‰€ä»¥æ˜¯ 19.25 ptï¼Œæ˜¯å›&nbsp;å®ƒç­‰äºŽ $1.75\times 11$ ptã€‚æœ€å¤§è¡Œé«˜å³è¡Œé—´è·ï¼Œå›&nbsp;ä¸ºåœ¨ \CONTEXT\ ä¸­ï¼Œè¡Œé—´è·æ˜¯ç›¸é‚»ä¸¤è¡Œæ–‡å­—çš„åŸºçº¿è·ç¦»ï¼Œæ°å¥½ç­‰äºŽä¸€è¡Œæ–‡å­—çš„æœ€å¤§é«˜åº¦ã€‚æœ¬æ–‡æ¡£åœ¨åŽæ–‡ç¤ºä¸­çš†ä½¿ç”¨è¯¥æ–¹å¼è®¾å®šæ®µè½å†…è¡Œé—´è·ã€‚

\section{å¯¹é½}

æœ‰æ—¶ï¼Œå¸Œæœ›å°†ä¸€è¡Œæ–‡å­—å±…å·¦ã€å±…ä¸­æˆ–å±…å³æ”¾ç½®ï¼Œå¯åˆ†åˆ«ä½¿ç”¨ \type{\leftaligned}ï¼Œ\type{\midaligned} å’Œ\type{\rightaligned} è¿›è¡ŒæŽ’ç‰ˆï¼Œè¯·å‚è€ƒç¤ºä¾‹ \in[aligned-1]ã€‚

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\leftaligned{\fakewords{1}{2}}
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\sample[option=TEX][aligned-1]{å¤šè¡Œæ–‡æœ¬æž„æˆçš„æ®µè½}{\externalfigure[02/aligned-1.pdf]}

å¦‚æžœæ˜¯ä¸€æ®µæ–‡å­—éœ€è¦å±…å·¦ã€å±…ä¸­æˆ–å±…å³æŽ’ç‰ˆï¼Œå¯ä½¿ç”¨ \type{alignment} çŽ¯å¢ƒï¼Œé€šè¿‡è¯¥çŽ¯å¢ƒçš„å‚æ•°æŽ§åˆ¶å¯¹é½å½¢å¼ã€‚ç¤ºä¾‹ \in[aligned-2] å±•ç¤ºäº†æ®µè½çš„ä¸‰ç§å¯¹é½å½¢å¼ã€‚

\startsample
\usemodule[visual]
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\startalignment[flushleft] % å·¦å¯¹é½
1. \fakewords{5}{15}
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2. \fakewords{5}{15}
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3. \fakewords{5}{15}
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\sample[option=TEX][aligned-2]{æ®µè½å¯¹é½}{\externalfigure[02/aligned-2.pdf]}

\section{å†™ä¸€å°è°ä¹Ÿçœ‹ä¸æ‡‚çš„ä¿¡}

çŽ°åœ¨ï¼Œæˆ‘ä»¬å·²ç»æœ‰èƒ½åŠ›ç”¨ä¼ªæ–‡å­—æŽ’ç‰ˆä¸€å°è°ä¹Ÿçœ‹ä¸æ‡‚å†…å®¹çš„ä¹¦ä¿¡äº†ï¼Œè§ç¤ºä¾‹ \in[letter]ã€‚ä¹Ÿè®¸çŽ°åœ¨ä½&nbsp;å¾ˆæƒ³ç”¨æ±‰å­—ç»™æœ‹å‹å†™å°ä¿¡ï¼Œå¹¶å‘Šè¯‰ä»–ï¼Œè¿™å°ä¿¡çš„æŽ’ç‰ˆæ˜¯ä½&nbsp;äº²æ‰‹ç”¨ \ConTeXt\ åˆ¶ä½œçš„ã€‚æˆ‘åŠä½&nbsp;æš‚æ—¶æœ€å¥½æ”¾å¼ƒè¿™ä¸ªæƒ³æ³•ï¼Œå†™è‹±æ–‡ä¹¦ä¿¡æ˜¯å®Œå…¨å¯ä»¥çš„ã€‚

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\sample[option=TEX][letter]{ä¸€å°è°ä¹Ÿçœ‹ä¸æ‡‚çš„ä¿¡}{\externalfigure[02/letter.pdf][width=.425\textwidth]}

\section{å°ç»“}

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