frequency and time s
查询英语单词中文释义、音标、发音和例句。
frequency and time standard
英
[frequency and time standard]
美
[frequency and time standard]
中文释义
频率及计时间标准
单词分析
单词结构：
frequency and time standard
字母数：27
记忆提示
🎯 重点记忆：
- 单词拼写：frequency and time standard
- 核心含义：频率及计时间标准
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更新时间：2026-09-20 13:29:36