advanced research and development activities

英 [advanced research and development activities]
美 [advanced research and development activities]

中文释义

[网络] 高级研究与开发活动 (advanced research and development activity 的复数)

单词分析

单词结构：

advanced research and development activities

字母数：44

记忆提示

🎯 重点记忆：

  • 单词拼写：advanced research and development activities
  • 核心含义：[网络] 高级研究与开发活动 (advanced research and development activity 的复数)

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更新时间：2026-02-01 01:46:24