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第六章代码中添加注释符以区分指令和注释 #21

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第六章代码中添加注释符以区分指令和注释 #21

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10 changes: 5 additions & 5 deletions chapter6.md
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Expand Up @@ -53,11 +53,11 @@ PDF采用中间立场 - 保留了字体和小尺寸文本布局的思想，

举个例子，我们回到第2章中的“Hello，World！”文件：
```
1. 0. 0. 1. 50. 700. cm Position at (50, 700)
BT Begin text block
/F0 36. Tf Select /F0 font at 36pt
(Hello, World!) Tj Place the text string
ET End text block
1. 0. 0. 1. 50. 700. cm % Position at (50, 700)
BT % Begin text block
/F0 36. Tf % Select /F0 font at 36pt
(Hello, World!) Tj % Place the text string
ET % End text block
```

在这里，我们使用带有字体名称和大小运算符的Tf运算符来选择字体，使用Tj运算符来显示文本字符串。
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