跟单信用证通知书
document．ry credit notification
通用通信监视器
UCM Universal Communication Monitor
universal communication monitor
UCM
通用通信交换装置
universal communication switching device
UCSD
通用通信接口
GCI General Communications Interface
通用通信系统
all purpose communication system
2D-flow
通用通信语言
UCL Universal Communications Language
通用通信转换装置
UCSD Universal Communication Switching Device
长程地电流通信
long range earth-current communication
LOREC
长程地电流通信系统
long range earth-current communication system
可信流通管理
Credible circulation management
流星余迹通信信道
meteor trail communication channel
实时串流通信协定
Real-time Streaming Protocol