单词 | number line |
释义 | number line【计】 数字行 number line number line n.Mathematics (名词)【数学】 A line that graphically expresses the real numbers as a series of points distributed about a point arbitrarily designated as zero and in which the magnitude of each number is represented by the distance of the corresponding point from zero.实数直线:图象上把实数表示为绕任意定为零的一点分布的一系列点的一条直线,并且这条直线中每个数的大小由对应点到零的距离所表示 |
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