research and development expense

英 [research and development expense]
美 [research and development expense]

中文释义

研究与开发费

单词分析

单词结构：

research and development expense

字母数：32

记忆提示

🎯 重点记忆：

  • 单词拼写：research and development expense
  • 核心含义：研究与开发费

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更新时间：2026-01-31 02:31:19