水印

A bisynchronous approach was proposed for audio watermarking.The bisynchronous process consisted of self-synchronization and additive synchronization.

摘要在音频印技术中提出了一种双同法，包括了自同和外同两个环节。

Due to not modifying any digital data in original image, resolved the traditional problem between robust and imperceptivity or security.

该案不对原始图像数据作任何修改，使得传统意义印的稳健性、安全性和不可感知性间的矛盾用一种特殊的法得到了解决。

SOL 170 is a solvent based impregnator especially formulated to protect marbles, granites and natural stones from water and dirtpenetration, frost damage and to stop calcareous efflorescence.

SOL 170 是一种特别渗透性配的防剂，有效于保护大理石、花岗岩、天然石材等。防止印呈现于石材表面，并可防止污渗入表面、冰霜侵入防止风化。