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secondary emission cell
secondary emission cell
英
[secondary emission cell]
美
[secondary emission cell]
中文释义
un. 二次发射光电管
单词分析
单词结构:
secondary emission cell
字母数:23
记忆提示
🎯 重点记忆:
单词拼写:secondary emission cell
核心含义:un. 二次发射光电管
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更新时间:2026-02-03 03:06:49