With an amplifying device like a microphone, the speaker can use a natural tone.
有了麦克风之类的扩音装置，演讲者就可以使用自然的音调。
And has the force amplifying function.
并具有力的放大作用。
Meanwhile, we also studied the strategy of amplifying service and ads and promotion.
同时还研究了服务增值策略、广告策略和促销策略。
Low cost high-frequency device, high-frequency amplifying method, radio communication device and mobile phone.
低成本高频装置，高频放大方法，无线通信装置和移动电话。
An amplifying type (or analog) device, as opposed to digital device.
放大器类(或模拟)器件，相对于数字器件而言的。
Amplifying the signal is necessary in engineering.
信号放大在工程上是必须的。
Amplifying any risk is the debt burden of Korean consumers.
韩国消费者的债务负担是一个可能放大风险的因素。
Amplifying any risk is the debt burden of Korean consumers.
韩国消费者的债务负担是一个可能放大风险的因素。
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