digital water marking

• 数字水印

digital water marking的用法和样例：

例句

1. A digital watermarking algorithm based on quadtree fractal coding.
   一种基于四叉树分形编码的数字水印算法。
2. Thicker matte and gloss coatings will also increase the depth of Kodak's digital water-marking.
   厚雾和光泽涂料也将增加深度的柯达公司的数字水印标记。