experimental research and development expenses

英 [experimental research and development expenses]
美 [experimental research and development expenses]

中文释义

[经] 实验性研究及开发费

单词分析

单词结构：

experimental research and development expenses

字母数：46

记忆提示

🎯 重点记忆：

  • 单词拼写：experimental research and development expenses
  • 核心含义：[经] 实验性研究及开发费

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更新时间：2025-12-18 21:38:43