twin-cathode ray beam

英 [twin-cathode ray beam]
美 [twin-cathode ray beam]

中文释义

双电子束

单词分析

单词结构：

twin-cathode ray beam

字母数：21

记忆提示

🎯 重点记忆：

  • 单词拼写：twin-cathode ray beam
  • 核心含义：双电子束

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更新时间：2026-02-03 21:40:47