英语词汇-6.92 dbm at 3m怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	-6.92 dbm at 3m
释义	at prep — 于 prep • 对 adv • 乎 prep
随便看	principal assets Principal Assistant principal at maturity principal attraction principal auditor principal author principal authority principal award principal axes principal axis principal balance principal bank principal bankers principal barriers principal beneficiaries principal broker principal business principal business activities principal business lines principal categories principal cause principal cause of death principal cellist principal cello principal center

英汉双解词典包含2273206条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。

at prep —