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首页 > 英汉词典 > ppth (parts per thousand)

ppth (parts per thousand)

英 [ppth (parts per thousand)]
美 [ppth (parts per thousand)]

中文释义

分率

单词分析

单词结构:

ppth (parts per thousand)

字母数:25

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🎯 重点记忆:

  • 单词拼写:ppth (parts per thousand)
  • 核心含义:分率

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更新时间:2026-04-13 03:22:56

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