譯文：
These are now the issues to be urgently tackled.The digital watermarking technology prompted by the issues above is an important technical means to protect the copyright of digital product ,which has become the researchful hot spot at home and abroad.The digital watermarking technology is designed for the fact that the digital watermarks are concealed among the digital product ,which play an( important ) role in protecting the copyright of digital products .
避免中國(guó)式的英語(yǔ)結(jié)構(gòu),譯出暗藏的言外之意.