“background noise”的概念、定义、翻译、参考文献-科学参考

单词	background noise
释义	background noise Encyclopedia 工学【噪声】释 background noise背景噪声除被监听声音（主声音）之外的任何声音。是噪声污染或干扰的一种形式。工学城市轨道交通外环境工程释 background noise背景噪声在进行城市轨道交通外部环境影响评价（EIA）或内部声学研究时，除研究对象以外的所有噪声的总称。又称本底噪声。属于声学领域概念，单位为分贝。 Physics 热学、统计物理学统计物理学 background noise背景噪声又称“本底噪声”。 Astronomy background noise背景噪声
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