dot-character printing

例句：

1. 1. The new printeruses a dot matrix system to print text and images.
   这款新打印机使用点阵系统来打印文本和图像。
2. 2.Dot matrix printing is a popular method for creating high-quality images on paper.
   点阵打印是一种在纸上创建高质量图像的流行方法。
3. 3. In dot matrix printing, each dot represents a single character or symbol.
   在点阵打印中，每个点代表一个字符或符号。