例句與造句

1. FDMA is distinct from frequency division duplexing ( FDD ).
2. Systems using Frequency Division Duplexing ( FDD ) offer full duplex connections between base station and remote sites, and Time Division Duplex ( TDD ) systems offer half duplex connections.
3. While the most popular form of the UMTS 3G system uses CDMA and frequency division duplexing ( FDD ) instead of TDMA, TDMA is combined with CDMA and Time Division Duplexing in two standard UMTS UTRA
4. The LTE specification provides downlink peak rates of 300 Mbit / s, uplink peak rates of 75 Mbit / s and bandwidths, from 1.4 MHz to 20 MHz and supports both frequency division duplexing ( FDD ) and time-division duplexing ( TDD ).
5. It's difficult to find frequency division duplexing in a sentence. 用frequency division duplexing造句挺難的