Scan in grayscale and if possible save the bitmap in GIF or PNG format, as these will preserve the sharp edges of the letters while keeping the file size low.

扫描灰阶，如果有可能保存位图的GIF或PNG格式，因为这些将保持锋利的信同时保持文件的大小低。

youdao

Scan in grayscale and if possible save the bitmap in GIF or PNG format, as these will preserve the sharp edges of the letters while keeping the file size low.

扫描灰阶，如果有可能保存位图的GIF或PNG格式，因为这些将保持锋利的信同时保持文件的大小低。

youdao