frequency doubling a
查询英语单词中文释义、音标、发音和例句。
frequency doubling attenuation
英
[frequency doubling attenuation]
美
[frequency doubling attenuation]
中文释义
倍频衰减
单词分析
单词结构:
frequency doubling attenuation
字母数:30
记忆提示
🎯 重点记忆:
- 单词拼写:frequency doubling attenuation
- 核心含义:倍频衰减
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更新时间:2026-08-31 23:19:02