名词
中文翻译：声级测试
同义词：
['volume test', 'loudness measurement']
例句：
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1.The loudness of the sound is measured by a volume test.
声音的响度通过音量测试来测量。
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2. The loudness test was conducted to ensure that the speakers were not too loud.
进行响度测试以确保演讲者的声音不会太响。
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3.During the loudness test, we adjusted the volume to match the background noise.
在响度测试期间，我们调整了音量以匹配背景噪音。