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Choose your username and password
The password must have at least 8 characters, at least 1 digit(s), at least 1 lower case letter(s), at least 1 upper case letter(s), at least 1 non-alphanumeric character(s)
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(用于证书上的名称，如不填写，则默认为昵称)
(大专,本科,硕士,博士)