| 1. | General specification for annoucing equipment on shipboard
舰船扩声设备通用规范 |
| 2. | What is disadvantage of traditionary teaching
传统的教学扩声有什么弱点？ |
| 3. | Ds - 80 - 120 - 200 - 2300 digital shift frequency sires
:反馈消除教学扩声器 |
| 4. | General specification for power supplies of annoucing system on shipboard
舰船扩声系统电源通用规范 |
| 5. | Jhs - d shift frequency aptitude transmitter mixer : system introduction
海之升数字移频扩声系统简介： |
| 6. | Frequency amplifier configure project
消除专业教学扩声方案 |
| 7. | Methods of measurement for the characteristics of sound reinforcement in auditoria
厅堂扩声特性测量方法 |
| 8. | 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。 |
| 9. | 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。 |
| 10. | Svcs : sound veinforcement system
扩声系统 |
