User account

Important notice: In the past, visitors and users can always create accounts without any restriction. However, recently, there are many abusive registrations every day and they post numerous malicious messages every day. This brings additional work to the administrator. Consequently, we now have to require users to sign up using their working email (can be a university, company, organization, etc., but not Gmail, Hotmail, Yahoo, and qq.com etc. ), and the administrator will approve/deny your registration request ASAP. Furthermore, it should be easier for us to approve your registration if your username includes at least one of these features: (1) Last name and first name with capital letter (2) The underscore or low dash "_" (3) The dot, full stop or period "."
Spaces are allowed; punctuation is not allowed except for periods, hyphens, and underscores.
A valid e-mail address. All e-mails from the system will be sent to this address. The e-mail address is not made public and will only be used if you wish to receive a new password or wish to receive certain news or notifications by e-mail.
Provide a password for the new account in both fields.
CAPTCHA
This question is for testing whether you are a human visitor and to prevent automated spam submissions.
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