Then he used the bark (树皮)to produce the world-famous xuan paper.

然后他用树皮制作了举世闻名的宣纸。

Xuan paper is soft and absorbent.

宣纸柔软、有吸水性.

Xuan-paper modeling and water-ink moving in xuan-paper modeling are the key problems in Chinese painting simulating.

宣纸建模和水墨运移机理建模是水墨画仿真研究中的关键问题。

The lined face and duplicate can be made of Xuan paper or textile.

衬面及复背可以是宣纸类或纺 织物。

The untreated Xuan Paper is the main material for Chinese painting and calligraphy for it absorbs water easily.

生宣具有吸水性能强的特点，是书画用纸的主要材料。

Chinese traditional painting is done with a soft brush, absorbent Xuan paper, and ink, which is why it is sometimes called ink-and-wash painting.

中国传统用软笔，宣纸和墨水画成的，这就是为什么有时又称水墨画。