first to file system

英 [first to file system]
美 [first to file system]

中文释义

[专利] 先申请制

单词分析

单词结构：

first to file system

字母数：20

记忆提示

🎯 重点记忆：

  • 单词拼写：first to file system
  • 核心含义：[专利] 先申请制

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更新时间：2026-01-30 11:29:32