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用户名用于登陆,系统将自动生成随机密码,并发送到您指定的邮件地址.
Your username will be used as your handle within the site and you will sign on with your username. A randomly generated password for your username will be sent to the email address specified below, which you can then use to login.

注意:您输入的邮件地址不会被公开共享或显示.
Important: The email you enter is not public, shared in anyway, or displayed on this site.
请勿使用sina.com或sina.com.cn邮箱, 因其不能收到本站的邮件.

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