cdma2000 1x EV DO

例句：

1. 1. The new CDMA2000 1x EV-DO network is set to launch in the next few months.
   新的CDMA2000 1x EV-DO网络计划在未来几个月内推出。
2. 2. This phone supports CDMA2000 1x EV-DO, which is a fast and reliable data service.
   这款手机支持CDMA2000 1x EV-DO，这是一种快速且可靠的数据服务。
3. 3. The EV-DO standard is designed for mobile devices that support CDMA2000 1xEV-DO.
   EV-DO标准是为支持CDMA2000 1x EV-DO的移动设备设计的。