Image Hidden Communication  图像隐蔽通信

data communication program communication block  数据通讯程序通讯块

on-board communication station ，ship communication station  船上通信电台

search and rescue coordinating communication {= SAR coordinating communication}  搜救协调通信

Short-wave communication ( SW communication)  短波通信

Key lab of satellite communication of institute of communication engineer  解放军理工大学通信工程学院卫星通信重点实验室

2D hidden Markov model  二维隐Markov模型

2-dimensional hidden markov  二维隐Markov模型

a hidden trouble  事故隐患

action-hidden  道德风险

analysis of hidden danger  隐患分析

Analysis of hidden trouble  隐患分析

and hidden trouble  隐患

asynchronous hidden Markov model  异步隐马尔可夫模型

attack by a hidden enemy  暗箭

automatical hidden arc overlay welding  自动埋弧堆焊

Bagang-Shihua Hidden Fault  八钢－石化隐伏断裂

body-hidden drug  人体藏毒

cascade connection hidden Markov model  HMM模型级联