personal digital cellular telecommunication system

例句：

1. 1.The personal digital cellular telecommunication system provides a secure and reliable way to communicate with others.
   个人数字蜂窝式电信系统提供了一个安全和可靠的与他人交流的方式。
2. 2.This new technology is expected to revolutionize the personal digital cellular telecommunication system.
   这项新技术预计将彻底改变个人数字蜂窝式电信系统。
3. 3. The development of this system will greatly improve the efficiency and quality of personal digital cellular telecommunication services.
   该系统的开发将大大提高个人数字蜂窝式电信服务的效能和质量。