helicopter signature

英 [helicopter signature]
美 [helicopter signature]

中文释义

直升机(雷达)特征

单词分析

单词结构：

helicopter signature

字母数：20

记忆提示

🎯 重点记忆：

  • 单词拼写：helicopter signature
  • 核心含义：直升机(雷达)特征

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更新时间：2025-12-11 13:13:34