scan linearity

例句：

1. 1. The scanner needs to be set up correctly for optimal performance.
   扫描仪需要正确设置以获得最佳性能。
2. 2.The new software improves the scan linearity of the device.
   新软件提高了设备的扫描线性度。
3. 3. In order to achieve high-quality images, it is important to maintain good scan linearity.
   为了获得高质量的图像，保持良好的扫描线性度是很重要的。