增加数字化保存系统的内容数量和范围，为最终用户确保持续可取得性和可用性(已向系统额外转移 100 太字节，包括网站和电子邮件)
Increased volume and range of content in the digital preservation system for which continued availability and usability for end users is ensured (an additional 100 terabytes, including websites and email, transferred into the system)