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secondary emission ratio
secondary emission ratio
英
[secondary emission ratio]
美
[secondary emission ratio]
中文释义
次发射系数
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:次发射系数
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更新时间:2025-12-21 16:37:38