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| 单词 | ground noise |
| 释义 | ground noise (once / 2954828 pages) n WORD FAMILY ground noise: ground noises n extraneous noise contaminating sound measurements that cannot be separated from the desired signal Syn|Hypo|Hyper background noise surface noise noise produced by the friction of the stylus of a record player moving over the rotating record background, background signal extraneous signals that can be confused with the phenomenon to be observed or measured |
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