The transition from the Internet to "Internet +" has made the concept of "the second half of the Internet" "popular" overnight. Some people think that this is "the end of one era, the arrival of another era." In fact, if we look at this issue more sensibly, i

The color scale is a strip sample for testing the properties of prints such as dot enlargement, density, ghosting, double shadow, contrast and overprint. Also often referred to as a color guide or color control bar. The color card is the bridge between the designer and the product. The color card