| 单词 | real number |
| 释义 | DEFINITIVE EXAMPLES 权威例句〔arithmetic〕The mathematics of integers, rational numbers, real numbers, or complex numbers under addition, subtraction, multiplication, and division.算术：整数，有理数，实数或复数进行加，减，乘和除的运算美国传统〔continuum〕Mathematics A set having the same number of points as all the real numbers in an interval.【数学】 闭联集：与一个区间内所有实数数目相同的点的集合美国传统〔irrational number〕Any real number that cannot be expressed as an integer or as a ratio between two integers.无理数：不能用一个整数或两个整数的比率来表示的任何一个实数美国传统〔multiplication〕Any of certain analogous operations involving expressions other than real numbers.涉及除了实数以外的表达式的任何相似的运算美国传统〔quaternion〕Mathematics An expression that is the sum of a real number and a vector and that contains four terms, one real and three imaginary.【数学】 四元数：一实数和一矢量的和的表达式，有四个项，一个为实数项，另外三个为虚数项美国传统〔real〕Mathematics A real number.【数学】 实数美国传统〔real〕Mathematics Of, relating to, or being a real number.【数学】 实数的：实数的、是实数的或与实数有关的美国传统〔upper bound〕A number that is greater than or equal to every number in a given set of real numbers.上界：一个数，大于或等于给定的一系列实数中任何一数美国传统〔zero〕Zero added to any real number will not change the value of the real number.任何实数加零该数的值不变。英汉大词典 |
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