real number
复数形式
real numbers
1
实数, 实數
any number that can be found on the number line, including both positive and negative numbers, zero, and fractions
- The number 5 is a real number because it can be located on the number line.
数字5是一个实数，因为它可以位于数轴上。
- Negative numbers, like -3, are also real numbers.
负数，如-3，也是实数。
- In mathematics, the set of real numbers is often denoted by the symbol R.
在数学中，实数的集合通常用符号R表示。
- Real numbers can be used to measure continuous quantities, such as distance and time.
实数可以用来测量连续的量，如距离和时间。
- Every point on the number line corresponds to a real number.
数轴上的每一点都对应一个实数。
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