| 1. | General specification for power supplies of annoucing system on shipboard
舰船扩声系统电源通用规范 |
| 2. | Jhs - d shift frequency aptitude transmitter mixer : system introduction
海之升数字移频扩声系统简介： |
| 3. | Acoustic feedback is a common phenomenon in public addressing systems
声反馈,是扩声系统中的一种常见现象。 |
| 4. | Our company is specialized in producing professional audio systems
我公司是制造舞台演艺扩声系统设备的专业性企业。 |
| 5. | Svcs : sound veinforcement system
扩声系统 |
| 6. | Design of multimedia classroom based on moving frequency sound reinforcement system
基于移频扩声系统在多媒体教室中的设计 |
| 7. | Pas public address system
扩声系统 |
| 8. | Pas public address system
扩声系统 |
| 9. | Pc public address system
扩声系统 |
| 10. | Acoustical characteristics and measurement methods for the sound reinforcement system in ballroom
歌舞厅扩声系统的声学特性指标与测量方法 |
