安全直接通信
secure direct commurication
量子安全直接通信
Quantum secure direct communication
直接存取通信通道
direct access communication channel
DACC
直接接入通讯信道
direct access communication channel
直接序列扩频通信
direct sequence spread spectrum communication
Direct Sequence-spread Spectrum Communication
direct sequence spread spectrum carrier communication
spread spectrum communication
DS spread spectrum communication
direct-sequence (DS) frequency-amplifying communication
DSSS
direct sequence spread-spectrum
direct sequence spread spectrum
直接序列扩频通信系统
DSSS system
direct sequence spread spectrum communication system
spread spectrum communication system
宝来直接接口
Burroughs direct interface
BDI
传输和用户直接接入
transmission and user direct access
非直接接地电网
non solidly grounded network
量子直接通讯
quantum direct communication
双向直接接口
TDI Two – way Direct interface
TDI Two C way Direct interface
通信直流电源
DC power supplies for communications
通信直流系统
communication DC power supply system
图形直接接口
GDI Graphical Direct Interface