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sound reduction index
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:2026-01-31 22:18:33