光学分辨率确定扫描仪的进度数据,有以下几种类型300x300dpi 600x600dpi 1200x1200dpi 1600x1200dpi 2048x1536dpi 2400x2400dpi 2592x1944dpi 3651x2738dpi虽然光学分辨率越高越好,但是还希望选择大品牌的扫描仪