expense of technical innovation and examination

英 [expense of technical innovation and examination]
美 [expense of technical innovation and examination]

中文释义

技术革新及试验费

单词分析

单词结构：

expense of technical innovation and examination

字母数：47

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🎯 重点记忆：

  • 单词拼写：expense of technical innovation and examination
  • 核心含义：技术革新及试验费

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更新时间：2026-02-08 00:18:59