“您的扫描仪是多少dpi的?色彩位数多少?扫得快吗?软件界面友好吗?功能设计如何?……”曾几何时,扫描仪作为继打印机之后的电脑第二大外设,人们关注的技术指标不外乎上面这几条。然而,您是否听说过还有一项考量扫描仪性能和品质的重要因素——灰尘含量? “What is your scanner’s dpi? What’s the number of color spaces? Is it faster to scan? Is the software interface friendly? How is the design?” Once upon a time, the scanner was the second largest peripheral behind the printer, The technical indicators nothing more than these few. However, have you heard that there is another important factor to consider scanner performance and quality - dust content?