perceived noise decibels

英 [perceived noise decibels]
美 [perceived noise decibels]

中文释义

perceived noise decibel 感觉噪声分贝，可闻(或可感)噪声分贝[略作 PNdB 或 PNdb]

单词分析

单词结构：

perceived noise decibels

字母数：24

记忆提示

🎯 重点记忆：

  • 单词拼写：perceived noise decibels
  • 核心含义：perceived noise decibel 感觉噪声分贝，可闻(或可感)噪声分贝[略作 PNdB 或 PNdb]

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更新时间：2026-02-03 13:59:41