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📁 Fortran77和90/95编程入门,用于教学
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 <v:imagedata src="Sec1-3.files/image009.png" o:title="" croptop="-3426f"
  cropright="-6990f"/>
 <w:wrap type="square" anchorx="page"/>
</v:shape><![endif]--><![if !vml]><img width=944 height=611
src="Sec1-3.files/image014.jpg" align=left hspace=12 v:shapes="_x0000_s1030"><![endif]><span
lang=EN-US style='font-size:12.0pt;font-family:宋体'><o:p></o:p></span></p>

<p class=MsoNormal style='text-indent:24.0pt;mso-char-indent-count:2.0;
line-height:17.0pt;mso-line-height-rule:exactly;tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt;
mso-char-indent-size:12pt'><span lang=ZH-CN style='font-size:12.0pt;font-family:
宋体'>早期编写</span><span lang=EN-US style='font-size:12.0pt;font-family:宋体'>F77</span><span
lang=ZH-CN style='font-size:12.0pt;font-family:宋体'>程序使用如上图的</span><span
lang=EN-US style='font-size:12.0pt;font-family:宋体'>F77</span><span lang=ZH-CN
style='font-size:12.0pt;font-family:宋体'>程序纸,一行有</span><span lang=EN-US
style='font-size:12.0pt;font-family:宋体'>80</span><span lang=ZH-CN
style='font-size:12.0pt;font-family:宋体'>列,每行一条程序语句。这</span><span lang=EN-US
style='font-size:12.0pt;font-family:宋体'>80</span><span lang=ZH-CN
style='font-size:12.0pt;font-family:宋体'>列分为四个区,分别书写不同的内容:</span><span
lang=EN-US style='font-size:12.0pt;font-family:宋体'><o:p></o:p></span></p>

<p class=MsoNormal style='margin-left:48.0pt;text-indent:-24.0pt;line-height:
17.0pt;mso-line-height-rule:exactly;mso-list:l0 level1 lfo4;tab-stops:45.8pt list 48.0pt left 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt'><![if !supportLists]><span
lang=EN-US style='font-size:12.0pt;font-family:Symbol;mso-fareast-font-family:
Symbol;mso-bidi-font-family:Symbol'><span style='mso-list:Ignore'><img
width=13 height=13 src="Sec1-3.files/image001.gif" alt="*"><span
style='font:7.0pt "Times New Roman"'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span></span></span><![endif]><span lang=ZH-CN style='font-size:12.0pt;
font-family:宋体;color:fuchsia'>标号区:第</span><span lang=EN-US style='font-size:
12.0pt;font-family:宋体;color:fuchsia'>l</span><span lang=ZH-CN style='font-size:
12.0pt;font-family:宋体;color:fuchsia'>—</span><span lang=EN-US style='font-size:
12.0pt;font-family:宋体;color:fuchsia'>5</span><span lang=ZH-CN style='font-size:
12.0pt;font-family:宋体;color:fuchsia'>列</span><span lang=EN-US style='font-size:
12.0pt;font-family:宋体'><o:p></o:p></span></p>

<p class=MsoNormal style='margin-top:0cm;margin-right:44.95pt;margin-bottom:
0cm;margin-left:45.65pt;margin-bottom:.0001pt;mso-para-margin-top:0cm;
mso-para-margin-right:4.28gd;mso-para-margin-bottom:0cm;mso-para-margin-left:
4.35gd;mso-para-margin-bottom:.0001pt;text-indent:24.0pt;mso-char-indent-count:
2.0;line-height:17.0pt;mso-line-height-rule:exactly;tab-stops:45.8pt list 57.75pt left 79.5pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 711.0pt;
mso-char-indent-size:12pt'><span lang=ZH-CN style='font-size:12.0pt;font-family:
宋体'>可以写</span><span lang=EN-US style='font-size:12.0pt;font-family:宋体'>l</span><span
lang=ZH-CN style='font-size:12.0pt;font-family:宋体'>至</span><span lang=EN-US
style='font-size:12.0pt;font-family:宋体'>5</span><span lang=ZH-CN
style='font-size:12.0pt;font-family:宋体'>位整数。也可以没有标号。标号区中的空格不起作用。如</span><span
lang=EN-US style='font-size:12.0pt;font-family:宋体'>lOO</span><span lang=ZH-CN
style='font-size:12.0pt;font-family:宋体'>与</span><span lang=EN-US
style='font-size:12.0pt;font-family:宋体'>100<span
style='mso-spacerun:yes'>&nbsp; </span></span><span lang=ZH-CN
style='font-size:12.0pt;font-family:宋体'>或</span><span lang=EN-US
style='font-size:12.0pt;font-family:宋体'>1 0 0</span><span lang=ZH-CN
style='font-size:12.0pt;font-family:宋体'>作用相同。标号应是无符号整数</span><span lang=EN-US
style='font-size:12.0pt;font-family:宋体'>(</span><span lang=ZH-CN
style='font-size:12.0pt;font-family:宋体'>无正负号或小数点</span><span lang=EN-US
style='font-size:12.0pt;font-family:宋体'>)</span><span lang=ZH-CN
style='font-size:12.0pt;font-family:宋体'>。标号大小顺序没有任何要求。假如第二行的标号为</span><span
lang=EN-US style='font-size:12.0pt;font-family:宋体'>1000</span><span lang=ZH-CN
style='font-size:12.0pt;font-family:宋体'>,第三行的标号可以是</span><span lang=EN-US
style='font-size:12.0pt;font-family:宋体'>10</span><span lang=ZH-CN
style='font-size:12.0pt;font-family:宋体'>,也可以是</span><span lang=EN-US
style='font-size:12.0pt;font-family:宋体'>99999</span><span lang=ZH-CN
style='font-size:12.0pt;font-family:宋体'>。</span><span lang=EN-US
style='font-size:12.0pt;font-family:宋体'><o:p></o:p></span></p>

<p class=MsoNormal style='margin-top:0cm;margin-right:44.95pt;margin-bottom:
0cm;margin-left:45.65pt;margin-bottom:.0001pt;mso-para-margin-top:0cm;
mso-para-margin-right:4.28gd;mso-para-margin-bottom:0cm;mso-para-margin-left:
4.35gd;mso-para-margin-bottom:.0001pt;text-indent:24.0pt;mso-char-indent-count:
2.0;line-height:17.0pt;mso-line-height-rule:exactly;tab-stops:45.8pt list 57.75pt left 79.5pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 711.0pt;
mso-char-indent-size:12pt'><span lang=ZH-CN style='font-size:12.0pt;font-family:
宋体'>标号区内不得出现标号以外的内容,但注释行例外。注释行的内容可以写在标号区内,一行中第一列为</span><span lang=EN-US
style='font-size:12.0pt;font-family:宋体'>C</span><span lang=ZH-CN
style='font-size:12.0pt;font-family:宋体'>或</span><span lang=EN-US
style='font-size:12.0pt;font-family:宋体'>*</span><span lang=ZH-CN
style='font-size:12.0pt;font-family:宋体'>的,该行即被认为注释行,编译时对该行内容不作翻译,对程序运行不产生任何影响。如果在第一列上出现的不是数字、空格或</span><span
lang=EN-US style='font-size:12.0pt;font-family:宋体'>C</span><span lang=ZH-CN
style='font-size:12.0pt;font-family:宋体'>和</span><span lang=EN-US
style='font-size:12.0pt;font-family:宋体'>*</span><span lang=ZH-CN
style='font-size:12.0pt;font-family:宋体'>的字符,编译时按出错处理。</span><span lang=EN-US
style='font-size:12.0pt;font-family:宋体'><o:p></o:p></span></p>

<p class=MsoNormal style='margin-left:48.0pt;text-indent:-24.0pt;line-height:
17.0pt;mso-line-height-rule:exactly;mso-list:l1 level1 lfo6;tab-stops:45.8pt list 48.0pt left 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt'><![if !supportLists]><span
lang=EN-US style='font-size:12.0pt;font-family:Symbol;mso-fareast-font-family:
Symbol;mso-bidi-font-family:Symbol'><span style='mso-list:Ignore'><img
width=13 height=13 src="Sec1-3.files/image001.gif" alt="*"><span
style='font:7.0pt "Times New Roman"'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span></span></span><![endif]><span lang=ZH-CN style='font-size:12.0pt;
font-family:宋体;color:fuchsia'>续行区:第</span><span lang=EN-US style='font-size:
12.0pt;font-family:宋体;color:fuchsia'>6</span><span lang=ZH-CN style='font-size:
12.0pt;font-family:宋体;color:fuchsia'>列</span><span lang=EN-US style='font-size:
12.0pt;font-family:宋体'><o:p></o:p></span></p>

<p class=MsoNormal style='margin-top:0cm;margin-right:44.95pt;margin-bottom:
0cm;margin-left:45.65pt;margin-bottom:.0001pt;mso-para-margin-top:0cm;
mso-para-margin-right:4.28gd;mso-para-margin-bottom:0cm;mso-para-margin-left:
4.35gd;mso-para-margin-bottom:.0001pt;text-indent:24.0pt;mso-char-indent-count:
2.0;line-height:17.0pt;mso-line-height-rule:exactly;tab-stops:45.8pt list 57.75pt left 79.5pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 711.0pt;
mso-char-indent-size:12pt'><span lang=ZH-CN style='font-size:12.0pt;font-family:
宋体'>如果在一行的第</span><span lang=EN-US style='font-size:12.0pt;font-family:宋体'>6</span><span
lang=ZH-CN style='font-size:12.0pt;font-family:宋体'>列上写一个非空格和非零的字符,则该行作为其上一行的续行。注意在某些系统中,这个字符可以不限于上面所列的,如</span><span
lang=EN-US style='font-size:12.0pt;font-family:宋体'> @ } ] ~ </span><span
lang=ZH-CN style='font-size:12.0pt;font-family:宋体'>等字符均可使用</span><span
lang=EN-US style='font-size:12.0pt;font-family:宋体'>[<a href="example/e_132_01.f">e_132_01.f</a>]</span><span
lang=ZH-CN style='font-size:12.0pt;font-family:宋体'>。</span><span lang=EN-US
style='font-size:12.0pt;font-family:宋体'>F77</span><span lang=ZH-CN
style='font-size:12.0pt;font-family:宋体'>允许一个语句有</span><span lang=EN-US
style='font-size:12.0pt;font-family:宋体'>19</span><span lang=ZH-CN
style='font-size:12.0pt;font-family:宋体'>个续行</span><span lang=EN-US
style='font-size:12.0pt;font-family:宋体'>(</span><span lang=ZH-CN
style='font-size:12.0pt;font-family:宋体'>即一个语句最多可以写成</span><span lang=EN-US
style='font-size:12.0pt;font-family:宋体'>20</span><span lang=ZH-CN
style='font-size:12.0pt;font-family:宋体'>行</span><span lang=EN-US
style='font-size:12.0pt;font-family:宋体'>)</span><span lang=ZH-CN
style='font-size:12.0pt;font-family:宋体'>。有的程序中第</span><span lang=EN-US
style='font-size:12.0pt;font-family:宋体'>6</span><span lang=ZH-CN
style='font-size:12.0pt;font-family:宋体'>列上用“</span><span lang=EN-US
style='font-size:12.0pt;font-family:宋体'>l</span><span lang=ZH-CN
style='font-size:12.0pt;font-family:宋体'>”,“</span><span lang=EN-US
style='font-size:12.0pt;font-family:宋体'>2</span><span lang=ZH-CN
style='font-size:12.0pt;font-family:宋体'>”,…表示该行是第</span><span lang=EN-US
style='font-size:12.0pt;font-family:宋体'>1</span><span lang=ZH-CN
style='font-size:12.0pt;font-family:宋体'>个或第</span><span lang=EN-US
style='font-size:12.0pt;font-family:宋体'>2</span><span lang=ZH-CN
style='font-size:12.0pt;font-family:宋体'>个续行,但用数字字符容易与第</span><span lang=EN-US
style='font-size:12.0pt;font-family:宋体'>7</span><span lang=ZH-CN
style='font-size:12.0pt;font-family:宋体'>列的数字形成连续的数字串而引起错觉,故最好使用固定的特殊字符。</span><span
lang=EN-US style='font-size:12.0pt;font-family:宋体'><o:p></o:p></span></p>

<p class=MsoNormal style='margin-left:48.0pt;text-indent:-24.0pt;line-height:
17.0pt;mso-line-height-rule:exactly;mso-list:l5 level1 lfo8;tab-stops:45.8pt list 48.0pt left 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt'><![if !supportLists]><span
lang=EN-US style='font-size:12.0pt;font-family:Symbol;mso-fareast-font-family:
Symbol;mso-bidi-font-family:Symbol'><span style='mso-list:Ignore'><img
width=13 height=13 src="Sec1-3.files/image001.gif" alt="*"><span
style='font:7.0pt "Times New Roman"'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span></span></span><![endif]><span lang=ZH-CN style='font-size:12.0pt;
font-family:宋体;color:fuchsia'>语句区:第</span><span lang=EN-US style='font-size:
12.0pt;font-family:宋体;color:fuchsia'>7</span><span lang=ZH-CN style='font-size:
12.0pt;font-family:宋体;color:fuchsia'>—</span><span lang=EN-US style='font-size:
12.0pt;font-family:宋体;color:fuchsia'>72</span><span lang=ZH-CN
style='font-size:12.0pt;font-family:宋体;color:fuchsia'>列</span><span lang=EN-US
style='font-size:12.0pt;font-family:宋体'><o:p></o:p></span></p>

<p class=MsoNormal style='margin-top:0cm;margin-right:44.95pt;margin-bottom:
0cm;margin-left:45.65pt;margin-bottom:.0001pt;mso-para-margin-top:0cm;
mso-para-margin-right:4.28gd;mso-para-margin-bottom:0cm;mso-para-margin-left:
4.35gd;mso-para-margin-bottom:.0001pt;text-indent:24.0pt;mso-char-indent-count:
2.0;line-height:17.0pt;mso-line-height-rule:exactly;tab-stops:45.8pt list 57.75pt left 79.5pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 711.0pt;
mso-char-indent-size:12pt'><span lang=ZH-CN style='font-size:12.0pt;font-family:
宋体'>不要求一定从第</span><span lang=EN-US style='font-size:12.0pt;font-family:宋体'>7</span><span
lang=ZH-CN style='font-size:12.0pt;font-family:宋体'>列开始写语句,可以从第</span><span
lang=EN-US style='font-size:12.0pt;font-family:宋体'>7</span><span lang=ZH-CN
style='font-size:12.0pt;font-family:宋体'>列以后(</span><span lang=EN-US
style='font-size:12.0pt;font-family:宋体'>72</span><span lang=ZH-CN
style='font-size:12.0pt;font-family:宋体'>列以前)的任何一列开始写,但一行只能写一个语句。如果写满了</span><span
lang=EN-US style='font-size:12.0pt;font-family:宋体'>72</span><span lang=ZH-CN
style='font-size:12.0pt;font-family:宋体'>列,一旦在终端上修改程序时在该行又插入了一些字符,就会使本行最后几个字符超出语句区而引起意料不到的错误。特别注意到语句最后的空格将可能溢出</span><span
lang=EN-US style='font-size:12.0pt;font-family:宋体'>72</span><span lang=ZH-CN
style='font-size:12.0pt;font-family:宋体'>列,在某些计算机系统上将导致难以查出的错误。应注意,引号内的字符串中所包括的空格是有效的,不能忽略</span><span
lang=EN-US style='font-size:12.0pt;font-family:宋体'>[<a href="example/e_132_02.f">e_132_02.f</a>]</span><span
lang=ZH-CN style='font-size:12.0pt;font-family:宋体'>。</span><span lang=EN-US
style='font-size:12.0pt;font-family:宋体'><o:p></o:p></span></p>

<p class=MsoNormal style='margin-left:48.0pt;text-indent:-24.0pt;line-height:
17.0pt;mso-line-height-rule:exactly;mso-list:l8 level1 lfo10;tab-stops:45.8pt list 48.0pt left 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt'><![if !supportLists]><span
lang=EN-US style='font-size:12.0pt;font-family:Symbol;mso-fareast-font-family:
Symbol;mso-bidi-font-family:Symbol'><span style='mso-list:Ignore'><img
width=13 height=13 src="Sec1-3.files/image001.gif" alt="*"><span
style='font:7.0pt "Times New Roman"'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span></span></span><![endif]><span lang=ZH-CN style='font-size:12.0pt;
font-family:宋体;color:fuchsia'>注释区:第</span><span lang=EN-US style='font-size:
12.0pt;font-family:宋体;color:fuchsia'>73</span><span lang=ZH-CN
style='font-size:12.0pt;font-family:宋体;color:fuchsia'>—</span><span lang=EN-US
style='font-size:12.0pt;font-family:宋体;color:fuchsia'>80</span><span
lang=ZH-CN style='font-size:12.0pt;font-family:宋体;color:fuchsia'>列</span><span
lang=EN-US style='font-size:12.0pt;font-family:宋体'><o:p></o:p></span></p>

<p class=MsoNormal style='margin-top:0cm;margin-right:44.95pt;margin-bottom:
0cm;margin-left:45.65pt;margin-bottom:.0001pt;mso-para-margin-top:0cm;
mso-para-margin-right:4.28gd;mso-para-margin-bottom:0cm;mso-para-margin-left:
4.35gd;mso-para-margin-bottom:.0001pt;text-indent:24.0pt;mso-char-indent-count:
2.0;line-height:17.0pt;mso-line-height-rule:exactly;tab-stops:45.8pt list 57.75pt left 79.5pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 711.0pt;
mso-char-indent-size:12pt'><span lang=ZH-CN style='font-size:12.0pt;font-family:
宋体'>在卡片输入法时代,程序员一般利用此</span><span lang=EN-US style='font-size:12.0pt;
font-family:宋体'>8</span><span lang=ZH-CN style='font-size:12.0pt;font-family:
宋体'>列为程序行编序号以便查找。注释区只对程序员提供辨别信息,不是语句的一部分,在编译时不对</span><span lang=EN-US
style='font-size:12.0pt;font-family:宋体'>72</span><span lang=ZH-CN
style='font-size:12.0pt;font-family:宋体'>—</span><span lang=EN-US
style='font-size:12.0pt;font-family:宋体'>80</span><span lang=ZH-CN
style='font-size:12.0pt;font-family:宋体'>列作处理</span><span lang=EN-US
style='font-size:12.0pt;font-family:宋体'>[<a href="example/e_132_03.f">e_132_03.f</a>]</span><span
lang=ZH-CN style='font-size:12.0pt;font-family:宋体'>。</span><span lang=EN-US
style='font-size:12.0pt;font-family:宋体'><o:p></o:p></span></p>

<p style='margin-left:0cm;text-indent:0cm;mso-list:l7 level1 lfo2;tab-stops:
list 18.0pt'><a name="第1_3_2b"></a><![if !supportLists]><span lang=EN-US
style='font-family:宋体;mso-bidi-font-family:宋体;color:red'><span
style='mso-list:Ignore'>a)<span style='font:7.0pt "Times New Roman"'>&nbsp;&nbsp;&nbsp;
</span></span></span><![endif]><span lang=ZH-CN style='font-family:宋体;
color:red'>自由格式</span><span lang=EN-US style='font-family:宋体;color:red'><o:p></o:p></span></p>

<p class=MsoNormal style='text-indent:24.0pt;mso-char-indent-count:2.0;
line-height:17.0pt;mso-line-height-rule:exactly;tab-stops:45.8pt 79.5pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt;
mso-char-indent-size:12pt'><span lang=ZH-CN style='font-size:12.0pt;font-family:
宋体'>在</span><span lang=EN-US style='font-size:12.0pt;font-family:宋体'>F90</span><span
lang=ZH-CN style='font-size:12.0pt;font-family:宋体'>中,用自由格式编写程序有很大的自由度。与固定格式相比,不易产生键入位置的错误,而且易读易懂。</span><span
lang=EN-US style='font-size:12.0pt;font-family:宋体'><o:p></o:p></span></p>

<p class=MsoNormal style='margin-left:73.5pt;mso-para-margin-left:2.29gd;
text-indent:-49.45pt;mso-char-indent-count:-4.12;line-height:17.0pt;mso-line-height-rule:
exactly;tab-stops:45.8pt 79.5pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt;
mso-char-indent-size:12pt'><span lang=ZH-CN style='font-size:12.0pt;font-family:
宋体;color:fuchsia'>行  </span><span lang=ZH-CN style='font-size:12.0pt;
font-family:宋体'>:一行为</span><span lang=EN-US style='font-size:12.0pt;font-family:
宋体'>132</span><span lang=ZH-CN style='font-size:12.0pt;font-family:宋体'>列。可以有复数条程序语句,语句间用分号“</span><span
lang=EN-US style='font-size:12.0pt;font-family:宋体'>;</span><span lang=ZH-CN
style='font-size:12.0pt;font-family:宋体'>”分开。语句没有位置规定。</span><span lang=EN-US
style='font-size:12.0pt;font-family:宋体'><o:p></o:p></span></p>

<p class=MsoNormal style='margin-left:73.5pt;mso-para-margin-left:2.29gd;
text-indent:-49.45pt;mso-char-indent-count:-4.12;line-height:17.0pt;mso-line-height-rule:
exactly;tab-stops:45.8pt 79.5pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt;
mso-char-indent-size:12pt'><span lang=ZH-CN style='font-size:12.0pt;font-family:
宋体;color:fuchsia'>注释行</span><span lang=ZH-CN style='font-size:12.0pt;
font-family:宋体'>:起始用注释符“</span><span lang=EN-US style='font-size:12.0pt;
font-family:宋体'>!</span><span lang=ZH-CN style='font-size:12.0pt;font-family:
宋体'>”号,此行其后的所有字符均作为注释(字符串中的</span><span lang=EN-US style='font-size:12.0pt;
font-family:宋体'>!</span><span lang=ZH-CN style='font-size:12.0pt;font-family:
宋体'>号除外,如</span><span lang=EN-US style='font-size:12.0pt;font-family:宋体'> print
*,</span><span lang=EN-US style='font-size:12.0pt'>’help!!!!’ </span><span
lang=ZH-CN style='font-size:12.0pt;font-family:宋体'>)。</span><span lang=EN-US
style='font-size:12.0pt;font-family:宋体'><o:p></o:p></span></p>

<p class=MsoNormal style='margin-left:73.5pt;mso-para-margin-left:2.29gd;
text-indent:-49.45pt;mso-char-indent-count:-4.12;line-height:17.0pt;mso-line-height-rule:
exactly;tab-stops:45.8pt 79.5pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt;
mso-char-indent-size:12pt'><span lang=ZH-CN style='font-size:12.0pt;font-family:
宋体;color:fuchsia'>续行 </span><span lang=ZH-CN style='font-size:12.0pt;
font-family:宋体'>:当一个语句非常长以至于</span><span lang=EN-US style='font-size:12.0pt;
font-family:宋体'>132</span><span lang=ZH-CN style='font-size:12.0pt;font-family:
宋体'>列都书写不下时,允许有</span><span lang=EN-US style='font-size:12.0pt;font-family:
宋体'>39</span><span lang=ZH-CN style='font-size:12.0pt;font-family:宋体'>个续行。在语句行最后加上续行符“</span><span
lang=EN-US style='font-size:12.0pt;font-family:宋体'>&amp;</span><span
lang=ZH-CN style='font-size:12.0pt;font-family:宋体'>”号。如果字符串跨</span><span
lang=EN-US style='font-size:12.0pt;font-family:宋体'>2</span><span lang=ZH-CN
style='font-size:12.0pt;font-family:宋体'>行以上</span><span lang=EN-US
style='font-size:12.0pt;font-family:宋体'>,</span><span lang=ZH-CN
style='font-size:12.0pt;font-family:宋体'>则在续行的开始位置也要加</span><span lang=EN-US
style='font-size:12.0pt;font-family:宋体'>&amp;</span><span lang=ZH-CN
style='font-size:12.0pt;font-family:宋体'>号。注意语句的有效字符是从“</span><span lang=EN-US
style='font-size:12.0pt;font-family:宋体'>&amp;</span><span lang=ZH-CN
style='font-size:12.0pt;font-family:宋体'>”前和续行符“</span><span lang=EN-US
style='font-size:12.0pt;font-family:宋体'>&amp;</span><span lang=ZH-CN
style='font-size:12.0

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