数轴 [
shù zhóu]
number axis
- 将真数形象化的最方便的途径是通过数轴。
One convenient way to visualize the real numbers is by the way of a number line. - 例如,老师在帮助孩子理解数字大小是会借助数轴。
For example, a teacher might use a number line to help a child understand the difference between larger and smaller numbers. - 在代数中,我们处理的是实数集,它可用一条数轴来直观表示。
In algebra, we work with the set of real numbers, which we can model using a number line.
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