A service which acts as a mail intermediary. It, for example, allows users to send mail to a destination anonymously so that, for example, spammers cannot discover an email address and send unwanted email.
科学参考收录了60776条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。