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Relation: subclass

direct-childrendocumentationgraph
Quantity453这是任何表示东西数量或多少的规格。故此 Quantity 共有两个 子类别:Number (数量)和 PhysicalQuantity (多少)。^
    Number19这是用来量度东西的数量或者某种东西的分量。 Numbers 可分为 RealNumberComplexNumberImaginaryNumber^
        RealNumber15任何可以表达为一个(可能是无限的)十进制的 Number, 即任何在数字线上佔有一席位 Number^
        ImaginaryNumber.这是将一个 RealNumber 乘以-1的平方根的积,它 可以是任何一个的 Number^
        ComplexNumber.这是一个有来自x + yi形式的Number,x和y是 RealNumber,i是-1的平方根。^
        MultipoleVariable.^

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