DFSR

英 [DFSR]
美 [DFSR]

中文释义

abbr. Directorate of Flight Safety Research 〈美〉飞行安全研究局

单词分析

单词结构：

DFSR

字母数：4

记忆提示

🎯 重点记忆：

  • 单词拼写：DFSR
  • 核心含义：abbr. Directorate of Flight Safety Research 〈美〉飞行安全研究局

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更新时间：2026-01-27 13:57:45