dy
abbr.
day 天;
duty 义务;
dynamotor 电动发电机;
delivery 递送;
例句:
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This definition of dy presumes some expression for the subtangent.
dy的这个定义假定次切线的一些表达式.
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With mixed feelings he said good - bye to Dy . Archibald.
他怀着矛盾的心情告别了阿奇博尔德大夫.
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The infinitely small " dx " and " dy " were sometimes described as vanishing or incipient quantities.
有时候把无穷小量dx和 dy 描述成正在消失的或者刚出现的量.
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Hooar ad magh dy row scoltey-aigney far-agglagh orrym.
来自BBC
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She aynshoh dy dooar ee fy yerrey yn lheeys v'ee feme.
来自BBC
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Er coontey jeh'n chorp gless-frauaigagh eddyrym echey va shoh aashagh dy liooar.
来自BBC