reference frequency
查询英语单词中文释义、音标、发音和例句。
reference frequency system
英
[reference frequency system]
美
[reference frequency system]
中文释义
频率基准系统
单词分析
单词结构:
reference frequency system
字母数:26
记忆提示
🎯 重点记忆:
- 单词拼写:reference frequency system
- 核心含义:频率基准系统
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更新时间:2026-08-28 04:10:24