SANDMARK的用户使用手册，一字一句都是我自己翻译的，我不相信你在国内能找出第二份，软件水印的权威资料，它的价值你知道的。-SANDMARK the user manual, a single word is my own translation, I do not believe in second, software watermarking authoritative information you can find in the country, you know its value