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单词 p.p.m.
释义
p.p.m.
  • 简明释义
  • abbr.百万分率(parts per million)
  • 原声例句
  • 1

    Vidara Mom, a Cambodian living in New Zealand, says school starts at nine and finishes at three p.m.

    VOA : special.2010.10.14

  • 2

    And maybe at 4 p.m., I watch the news and I'll have this little chat with my family about Sharon and elections.

    可能在4点时,我会看新闻,与我的家人交谈,谈论沙龙以及选举。

    人性课程节选 : 普林斯顿公开课

  • 3

    Remember, we don't do a one-to-one correlation, because p x and p y are some linear combination of the m plus 1 and m minus 1 orbital.

    记住,我们不需要把它们一一对应,因为px和py轨道是,m等于正负1轨道的线性组合。

    化学原理课程节选 : 麻省理工公开课

  • 4

    and I was heartily glad when about 10 p.m.

    VOA : special.2010.04.26

  • 5

    What I'll always remember was seeing him, about an hour later, momentarily take off his thick dark rimmed glasses,and announce: "From Dallas,Texas,the flash, apparently official, President Kennedy died at one p.m.

    VOA : special.2009.08.16

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更新时间:2025/3/25 9:16:14