| 单词 | B |
| 释义 | B 1. bel. In physics, the abbreviation for bel, a measure of relative loudness. See bel. 2. B channel. Referring to an ISDN bearer (B) channel, which is an information-bearing channel designated for user payload. See B channel. |
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科学参考收录了5291条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。