experimental and research expense

英 [experimental and research expense]
美 [experimental and research expense]

中文释义

un. 试验研究费

单词分析

单词结构：

experimental and research expense

字母数：33

记忆提示

🎯 重点记忆：

  • 单词拼写：experimental and research expense
  • 核心含义：un. 试验研究费

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更新时间：2026-02-04 02:02:21