The BBC has just successfully demonstrated a new digital radiotransmissionsystem.
英国广播公司刚刚成功地演示了一套新的数字无线电传输系统。
2
The MW-1500 is a digital microwave communication system for radio line of sight (LOS) information transmission.
1500是一种数字式微波通信系统用于视距(LOS)无线电信息传送。
3
The cellular digital packet data (CDPD) is a system which borrows idle radio channels from the existing cellular mobile telephone networks for packet data transmission.