thirty-year rule

英 [thirty-year rule]
美 [thirty-year rule]

中文释义

30年规则(规定国家档案30年后可供公众查阅)

单词分析

单词结构：

thirty-year rule

字母数：16

记忆提示

🎯 重点记忆：

  • 单词拼写：thirty-year rule
  • 核心含义：30年规则(规定国家档案30年后可供公众查阅)

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更新时间：2026-01-06 07:17:33