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sound reduction index

英 [sound reduction index]
美 [sound reduction index]

中文释义

声衰减指数;隔声指数

单词分析

单词结构:

sound reduction index

字母数:21

记忆提示

🎯 重点记忆:

  • 单词拼写:sound reduction index
  • 核心含义:声衰减指数;隔声指数

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更新时间:2026-02-02 09:53:12

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