• 1.PF: We firstly focus on consistency and lean-ness.
  PF：一致性和轻便性是我们的首要关注点。
  dict.yoduao.com
• 2.Pf : Probability that a piece of space junk will survive reentry.
  Pf：指一块太空垃圾坠落到地球表面的概率。
  dict.yoduao.com
• 3.PF: at the moment we don't have any agnostic API for data other than JDBC.
  PF：目前，除了JDBC，我们还没有任何平台无关的数据api。
  dict.yoduao.com

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