推导了固定四角薄型平板扬声器在单点激励下的振动方程，分析了在受激情况下的简正频率，并由简正频率方程导出其受力方程。
The vibration equation for thin flat plane loudspeaker with single point drive and four corners fixed is deduced and its simple harmonic vibration frequency in this condition is analyzed.
另一个流行品就是无线扬声器系统，最近的一批可以与任何拥有蓝牙技术的设备相连，包括智能手机、平板电脑和平板电脑。
Another popular item is wireless speaker systems. The newest ones work with any device that has Bluetooth technology, including smartphones, laptops and tablets.
大屏幕平板电视，高速互联网接入，音乐扬声器系统，和海丽贡斯化妆品创建一个供客人放松的风格空间。
Large, flat-screen televisions, high-speed Internet access, music speaker system, and Penhaligons toiletries create a space for guests to relax and unwind in style.
大屏幕平板电视，高速互联网接入，音乐扬声器系统，和海丽贡斯化妆品创建一个供客人放松的风格空间。
Large, flat-screen televisions, high-speed Internet access, music speaker system, and Penhaligons toiletries create a space for guests to relax and unwind in style.
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