In the third mobile communication systems, access security includes the confidentiality of the subscriber identity, entity authentication and the security of data.
在第三代移动通信系统中，接入安全主要包括身份保密、实体认证和数据的安全三个方面。
Multi-Code technique is widely used in the third generation mobile communication systems, and flexibly provides high-rate packet data services for users.
多码道技术广泛地应用于第三代移动通信系统，灵活地为用户提供高速分组数据业务。
The third-generation mobile communication systems (3g) can provide a variety of more colorful business.
第三代移动通信系统(3 G)可以提供各种各样的更为丰富多彩的业务。
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