名词
中文翻译：噪声变异
同义词：
['noise variation', 'noise variability']
例句：
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1.The noise variance in the factory is causing a lot of problems for the workers.
工厂里的噪声变异给工人带来了很多问题。
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2. The researchers found that noise variance can affect the performance of the machine.
研究人员发现噪声变异会影响机器的性能。
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3. The noise variance was measured using a special device called a sound level meter.
噪声变异是通过一种特殊的设备——声级计来测量的。