Temporary Mobile subscriber identity, used for security reasons to hide the identity of a subscriber.

临时的移动用户标识，出于安全原因的考虑，用于隐藏用户的标识。

youdao

Temporary Mobile subscriber identity, used for security reasons to hide the identity of a subscriber.

临时的移动用户标识，出于安全原因的考虑，用于隐藏用户的标识。

youdao