名词
中文翻译：斑点噪声
同义词：
['spot noise', 'speckle pattern']
例句：
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1.The camera's lens is prone to speckle noise when it's not cleaned regularly.
如果不经常清理，相机的镜头容易产生斑点噪声。
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2. The film grain is visible in the speckle noise of the old negative.
旧底片上的颗粒状噪点很清晰。
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3.During the recording process, the speckle noise from the microphone can be reduced by using a good quality headphone.
在录音过程中，麦克风产生的斑点噪声可以通过使用高质量的耳机来减少。