random number

短语

[计] 随机数

发音

US /ˈɹæn.dəm ˈnʌm.bɚ/

词形变化

random numbers 复数 random numbers

释义与例句

n.
  1. 1.

    Used other than figuratively or idiomatically: see random, number.

  2. 2.

    A number allotted randomly using suitable generator (electronic machine or as simple "generator" as die).

    随机数

    乱数

  3. 3.

    A number selected based on a uniform distribution, typically using a suitable generator (for example, rolling a die).

    1975, Gregory Chaitin, "Randomness and Mathematical Proof", Scientific American, (232), May 1975, pp. 47–52, reprinted in Information, Randomness & Incompleteness: Papers on Algorithmic Information Theory Tossing a coin is a classical procedure for producing a random number .... Tossing a coin 20 times can produce any one of 2²⁰ ... binary series, and each of them has exactly the same probability.

  4. 4.

    A pseudorandom number.

    The generation of random numbers is too important to be left to chance.