dotconvention

例句：

1. 1. The dot matrix printer is a type of printer that uses dots to represent characters on the paper.
   点阵打印机是一种使用点来在纸上表示字符的打印机。
2. 2. In dot matrix printing, each character is represented by a row of dots.
   在点阵打印中，每个字符由一行点来表示。
3. 3. Dot matrix printing is a popular method for creating high-quality images and graphics.
   点阵打印是一种流行的方法，用于创建高质量的图像和图形。