secondary-emission r
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secondary-emission ratio
英
[secondary-emission ratio]
美
[secondary-emission ratio]
中文释义
[电] 二次发射比
单词分析
单词结构:
secondary-emission ratio
字母数:24
记忆提示
🎯 重点记忆:
- 单词拼写:secondary-emission ratio
- 核心含义:[电] 二次发射比
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更新时间:2026-09-21 07:08:13