Note that bitmaps (bitmap: A picture made from a series of small dots, much like a piece of graph paper with certain squares filled in to form shapes and lines.

• 请注意,即使以纯黑白方式打印,位图(位图:由一系列小点组成的图片,就好像一张方格纸,填充其中的某些方块以形成形状或线条。