本发明提供的消费电子产品，保护了消费电子产品的电声元件并提高了消费电 子产品的寿命。
The consumer electronic product provided protects the electroacoustic elements of the consumer electronic products and prolongs the service life of the consumer electronic products.
给出了活塞式换能器的电声效率、压电元件能量耗散值D的计算结果。
Examples of electricity-sound efficiency of piston transducer and energy dissipation per unit vibration energy D ate given.
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