Your class 1 Digital id is bound to your validated E-mail and receive encrypted E-mail.
你的班级1里数传身份证对你的电子邮件有效是约束的而且接受密码化的电子邮件。
A static data member is not bound to a single instance of your class.
静态数据成员没有绑定到类的一个实例。
A static data member is not bound to a single instance of your class.
静态数据成员没有绑定到类的一个实例。
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