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单词 bel
释义
N34346513(bel)Spoken.77Fiction.153Magazine.123Newspaper.129Academic.31

bel

/bel/
noun
a unit used in the comparison of power levels in electrical communication or of intensities of sound, corresponding to an intensity ratio of 10 to 1
贝, 贝尔。参见 DECIBEL.
词源
1920s: from the name of A. G. Bell (see BELL1).
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更新时间:2025/8/16 21:15:16