rational number

英 [ˌræʃnəl ˈnʌmbə(r)]

美 [ˌræʃnəl ˈnʌmbər]

n.  有理数

计算机经济

牛津词典

noun

• 有理数
  a number that can be expressed as the ratio of two whole numbers

英英释义

noun

• an integer or a fraction
  Synonym:rational

双语例句

• Nonlinear forced vibration systems could produce complicated dynamic behaviors, whose behaviors will become more complicated when the ratio between the outside exciting frequency and the inherent frequency is rational number.
  非线性强迫振动系统可能产生复杂的动力学行为，尤其是在激励力频率和原系统线性化频率之比为有理数的时候，其行为就更为复杂。
• A Note on Decomposition of Multivariate Polynomial over Rational Number Field
  有理数域上多项式因子分解的一个注记
• Using ergodic theory, we show that the Lebesgue measure of the tile is a rational number where the denominator equals to the order of the associate symmetry group.
  利用遍历理论，我们可以得到该基本tile的勒贝格测度是一个有理数，该有理数的分母等于定义tile所用到的对称群的阶。
• Concretely work include: 1.put forward a public-key encrypt algorithm that based on polynomial residual-class ring in rational number field, and it's derivative encrypt algorithm, and analyze their security;
  本文具体工作主要包括：（1）给出了一个基于有理系数域多项式剩余类环的加密算法，并在此基础上派生出一个特例算法，分析了它们的安全性；
• Provides a class that fully-encapsulates rational number operations.
  提供的这个类完全封装了理性数字运算。
• A simple discriminance on the matrix of rational number field Q to cycle matrix
  有理数域Q上的矩阵为周期矩阵的一种简易判别法
• The research results are as follows: 1. The ribbed slab of the port plate has great impact on the strength of port plate. While designing the port plate, it needs to choose the rational number of ribbed slab and the breadth of it. 2.
  研究结果表明：1.加强筋对配流盘的强度有很大影响，在设计配流盘时，需要合理选择加强筋的个数和宽度。
• The paper available mapping of integral coefficient polynomial and rational number, obtain factorization from factorization of polynomial by the way of sieve in true fraction series.
  本文研究整系数多项式的不可约因式，给出了低次不可约多项式的判别的一种方法和一些不可约问题的处理方法。
• Based on the number set, a new commutative semi-group is established in the integer number and extended in number fields of rational number, real number and the complex number.
  在数集的基础上，在整数域上建立了一个新的交换半群，并在有理数域、实数域和复数域上进行了推广；
• The result is a comparative unascertained rational number.
  评价结果是个未确知有理数，能比较大小。