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primary cesium beam frequency standard
primary cesium beam frequency standard
英
[primary cesium beam frequency standard]
美
[primary cesium beam frequency standard]
中文释义
原级铯射束频率标准
单词分析
单词结构:
primary cesium beam frequency standard
字母数:38
记忆提示
🎯 重点记忆:
单词拼写:primary cesium beam frequency standard
核心含义:原级铯射束频率标准
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更新时间:2026-02-04 01:38:44