sffd
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sffd
英
[sffd]
美
[sffd]
中文释义
abbr. step-function frequency discriminator 阶跃函数鉴频器
单词分析
单词结构:
sffd
字母数:4
记忆提示
🎯 重点记忆:
- 单词拼写:sffd
- 核心含义:abbr. step-function frequency discriminator 阶跃函数鉴频器
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更新时间:2026-08-28 19:05:53