What is writing paper with shading pattern?

Paper printed with light lines, patterns or patterns.

According to Baidu Encyclopedia, if there are patterns in the shading of rice paper, such as Mei Zhu Lan Ju shading, it should generally be raw processing paper, such as pastel and clay gold, on which different patterns can be printed.

Shading, also known as background, is a regular pattern composed of points, lines or patterns, which is used to lay the foundation of publication layout. For paragraphs with shading, if only one paragraph is set, you can move the insertion point to any position in the paragraph.