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rational number

R 开头单词

音标发音

  • 英式音标 [ˌræʃ.ən.əl ˈnʌm.bər]
  • 美式音标 [ˌræʃ.ən.əl ˈnʌm.bɚ]
  • 英式发音
  • 美式发音

基本解释

  • [数] 有理数

同根派生

     

英汉例句

    双语例句

  • In ancient time, rational number was the only kind of number to evaluate quantity.
    在人类社会早期, 有理数是衡量事物大小多少的唯一的一类数。
  • On this basis, the application sphere of unascertained rational number filtering is analyzed and it applied to the data-processing conditions of multi-input and single-output.
    在此基础上,分析了未确知有理数滤波的适用范围,指出其应用于多输入单输出的数据处理情况。
  • This paper utilizes the Reciprocal Law Two Times to prove that the rational number of a kind of form is not the integer, and proves that the number of another kind of prime is limitless.
    利用二次互反定律证明了某类形式的有理数不是整数,并且证明了某类形式的素数的个数是无限的。
  • 原声例句

  • Because we've just sat in lecture and you've told us we're not being rational if we pick a high number.
    因为我们刚刚上过课,你告诉我们选大数的人是不理性的
    耶鲁公开课 - 博弈论课程节选
  • 权威例句

  • Twenty percent is a more rational number.
    FORBES: Where To Go With Your Money
  • We did this after weighing a number of factors mostly rational, but some emotional.
    FORBES: Looming Risk of Municipal Defaults Forces Retirees to Consider Pension Buyouts
  • There's no way to back that number up, but it sounds fairly rational.
    ENGADGET: iPhone 3G S pre-orders start shipping, reservations estimated in the hundreds of thousands

词组短语

    短语

  • rational l number 有理数
  • rational real number detail 有理实数
  • rational prime number [数]有理素数
  • rational real number [数]有理实数
  • rational sampling number 合理采样数

英英字典

    剑桥英英字典

  • a number that can be expressed as the ratio of two whole numbers
  • 柯林斯英英字典

  • any real number of the form a/b, where a and b are integers and b is not zero, as 7 or 7/3

专业释义

    数学

  • 有理数
  • 电子、通信与自动控制技术

  • 有理数
  • 机械工程

  • 有理数
  • 计算机科学技术

  • 有理数
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