模糊现象 meaning in English

blooming

It seemed at first to be an electronic haze, but after some fine tuning the clatter of the hagelin was clearly audible .
开始时似乎有电子模糊现象，但是经过一些细致的调谐以后，“哈盖林”机器的卡嗒声听得清清楚楚。
Vague phenomenon and removing method in document indexing
文献标引中的模糊现象及消除方法
Analyze the fuzziness of legislative language
试析立法语言的模糊现象
On lexical semantic fuzziness in speech of metropolis young people
现代都市流行词汇语义模糊现象的内外因
Q what is usbwhy the screen become blurry when the display is connected with extended line
问：为什么将显示器的讯号线插在延长线上会产生模糊现象？

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