Laser systems can work with either color or grey-scale vector or raster images, however some manufacturers can require you to work with proprietary software.
激光系统可以应用于彩色、灰度矢量或光栅图像工作，然而大部分的制造商则一直在使用特定的软件进行工作。
2
A large number of visual data were obtained by a set of observers assessing colour-differences of sample pairs presented under 16 groups of parameters with grey-scale method.
由一组观察者采用灰标法判断以16组不同参数显示的色样对的色差，获取了大量的观察数据。
3
A quick way to evaluate your design to see if there is sufficient contrast is to convert the entire thing to greyscale momentarily and see if the design still looks clear and easy to read.