DGW

基本解释

The core issue of DGW is encoding and decoding with topology graphs.
动态图软件水印技术的核心部分就是图的编解码问题。
Currently, the robustness of Planted Plane Cubic Tree (PPCT) is strongest among the four basic graphs for DGW, but its data rate is lowest.
在目前基本的编码方式中，PPCT枚举编码由于其结构上的优势，鲁棒性是最好的，但是缺点是编码效率较低。
Dynamic Graph Watermark (DGW) is one of the best dynamic software watermarks.The idea of DGW is encoding the watermark into topology graph in order to be immune to semantics preserving attack.
动态图软件水印技术是目前最好的动态软件水印技术之一，核心思想是将水印信息编码成拓扑图结构，从而使对拓扑图进行变换的保持语义攻击难以实现。
4) Increased DGW caused a decrease in the content of nitrogen, phosphorus and kalium;
4)地下水深度的增加引起了两种植物叶片中N、P、K含量的降低 ;
2) although these two desert species were well adapted to the water stress environment at 3.4 m DGW, their adaptive s trategies were different.
2 )两种植物均能较好地适应地下水深度为 3 .;4m的水分胁迫 ;