Video and Audio Switch  视音频切换

audio cut off switch  音响断路开关

coupled (linked)switch,deck switch,gang switch  联动开关

audio singing audio system  声频系统

CD-audio player (compact disk audio player)  光盘唱机

Air Switch，Air-break Switch  空气开关

switch on and switch off  分合闸

switch point；point tongue；switch rail；tongue rail；blade  尖轨

whippletree switch whiffletree switch  复衍开关

2MPEG - audio layer 3  2MPEG -声频层3

3 D Audio  三维声音

3D audio  南极底流; 三维音频

3D audio rendering  三维音频合成

3D audio simulation  三维声频仿真

ability of audio- visual education  供精人工授精(AID)

Abnormal audio recognition  蜂窝数字分组数据; 异常声音识别

Acoustic immitance audio-metry  声导抗测试

actuality audio  实况声讯

adjacent audio carrier  邻道伴音载波