片语
digital speech secure communication数字语音保密通讯
Objective of Speech Communication言语交际的目的
Speech & Communication Disorders演讲;讲话;[语] 语音;演说
Speech and Communication Studies演讲与交流研究
speech secure communication s语音保密通信
speech-communication method通话方式
Chaotic speech secure communication混沌语音保密通信
Speech and Communication言语交流