real number
短语[经] 实数
发音
US
词形变化
real numbers
复数
real numbers
释义与例句
n.
-
1.
The limit of a convergent sequence of rational numbers, whether the limit is a rational number such as 2, -5, or 2/7 or whether the limit is an irrational number such as the square root of two or the circumference of the circle whose radius is one.
实数
数学Every integer is a real number, but not vice versa.
A real number can be regarded abstractly as an equivalence class of Cauchy sequences of real numbers.ᵂᴾ
-
2.
A floating-point number.
计算机 工程 数学Even if you pass sqrt an integer, it returns a real number.