类似地，一些大学也在校园内安装了无线网络，学生坐在树下便能查找图书馆的卡片目录，或者阅读电子邮件。
Similarly, some universities have installed wireless networks on campus so students can sit under the trees and consult the library's card catalog or read their email.
通过使用数字证书构建校园网服务器安全、校园网电子邮件安全、校园网一卡通等系统的安全。
Through using the digital certificates to structure systematic security, such as campus network's server security, E-mail security, All-purpose Card and so on.
校园的安全人员只需要发送一封电子邮件到指定的邮件地址，该邮件就可以在互联网的留言板上多次滚动显示。
Authorized campus safety personnel simply send a concise email to designated email addresses. The body of the message then scrolls across multiple power over Ethernet message boards.
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