1. In mathematics, reals include all rational and irrational numbers.
在数学中，实数包括所有有理数和无理数。

2. The set of reals is fundamental in calculus.
实数集合是微积分的基础。

3. These models are tested against reals from experiments.
这些模型通过实验中的真实数据进行验证。

A: What are reals in mathematics?
A：数学中的reals是什么？

B: They are all real numbers, including both rational and irrational ones.
B：它们是所有实数，包括有理数和无理数。

1) 指数学中的实数集合（real numbers）

2) 在数据语境中指真实数值或实际数据

3) 在非正式语境中可指现实事物或真实情况

1. 实数；实数集合

e.g.The reals form a continuous number line.
实数构成一条连续的数轴。

noun

1. The set of all real numbers in mathematics, including rational and irrational numbers.