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Meaning of 扩音

Lookup via: Pinyin | Radicals
扩 kuò 音 yīn (Trad.: 擴音)
to amplify (sound)
Example Sentences
1
调整扩音货量一个最理想的水平
,
改变以往均衡器调节
(
4
)
。
Adjust sound amplification volume to an optimal level by changing the equalizer adjuster (4).
2
演出一般都是露天的
,
有时候甚至没有扩音装置
,
所以我必须学会在各种条件下让声音传到观众耳朵里
。
Often they were outdoor shows, sometimes with no PA system at all, so I really had to learn how to project to be heard.