watermark 是什么意思

	n. (压印在纸里的)水印。 2.vt. 印水印(在纸上)。

	a distinguishing mark impressed on paper during manufacture; visible when paper is held up to the light
	a line marking the level reached by a body of water 同义词：water line,

	1.	Novel adaptive audio digital watermark algorithm 一种新的自适应音频数字水印算法
	2.	A fragile watermark technique based on address code 基于地址码的脆弱数字水印技术
	3.	A digital watermark protocol used for copy tracing 用于盗版追踪的数字水印协议
	4.	Digital watermarks based on the human visual system 基于人眼视觉模型的图像水印技术
	5.	An adaptive audio digital watermark method based on dwt 的自适应大容量音频水印算法
	6.	A blind audio watermark algorithm based on dwt and dct 结合的盲音频水印算法
	7.	The watermark on the banknote is to prevent forgery 钞票上的浮水印是用来防止伪造的。
	8.	An arithmetic of digital watermark resistant to image rotation 抗旋转的数字图像水印算法
	9.	Sequences , including their high watermark 序列，包括它们的高水位标志。
	10.	Multi - embedding and extracting algorithm of digital watermark 数字水印重复嵌入及提取方法

watermark是什么意思