random

英 [ˈrændəm] 美 [ˈrændəm]

adj.  随机的,随意的(非事先决定或不规则)
n.  随意

高考CET6考研TOEFLIELTSGRETEM8

Collins.2 / BNC.3811 / COCA.3619



牛津词典

adj.

  1. 随机的,随意的(非事先决定或不规则)
    done, chosen, etc. without sb deciding in advance what is going to happen, or without any regular pattern
    1. the random killing of innocent people
      对无辜者的随意杀戮
    2. a random sample/selection (= in which each thing has an equal chance of being chosen)
      随机抽样 / 选取
    3. The information is processed in a random order.
      信息是按随机顺序处理的。

noun

noun


柯林斯词典

  1. ADJ 任意的;随机的;偶然的
    A random sample or method is one in which all the people or things involved have an equal chance of being chosen.
    1. The survey used a random sample of two thousand people across England and Wales...
      该调查在英格兰和威尔士随机抽样了2,000人。
    2. The competitors will be subject to random drug testing.
      参赛者将要接受随机药检。
  2. ADJ-GRADED 胡乱的;随便的
    If you describe events as random, you mean that they do not seem to follow a definite plan or pattern.
    1. ...random violence against innocent victims...
      加诸无辜受害者的无端暴行
    2. Children's words and actions are often fairly random.
      小孩子的言行常常是随性而为。
    3. ...random variations of the wind.
      风的变化不定
  3. PHRASE 随机地;偶然地
    If you choose people or things at random, you do not use any particular method, so they all have an equal chance of being chosen.
    1. We received several answers, and we picked one at random.
      我们收到了一些答复,并从中随机挑选了一个。
  4. PHRASE 胡乱地;随便地;任意地
    If something happens at random, it happens without a definite plan or pattern.
    1. Three black people were killed by shots fired at random from a minibus.
      3名黑人被从一辆面包车里胡乱射出的子弹打死了。

双语例句

  1. Three people were killed by shots fired at random from a minibus
    3个人被从一辆面包车中发射的乱弹打死了。
  2. I knew nothing beyond a few random facts.
    除了一些零星的情况外,我什么也不知道。
  3. Police will conduct random breath tests.
    警察将随机进行呼吸测醉检查。
  4. Any decent shot with telescopic sights could pick us off at random.
    任何借助望远镜瞄准器的像样射手都可以随意把我们逐个干掉。
  5. The survey used a random sample of two thousand people across England and Wales
    该调查在英格兰和威尔士随机抽样了2,000人。
  6. The competitors will be subject to random drug testing.
    参赛者将要接受随机药检。
  7. Children's words and actions are often fairly random.
    小孩子的言行常常是随性而为。
  8. We received several answers, and we picked one at random.
    我们收到了一些答复,并从中随机挑选了一个。
  9. Three black people were killed by shots fired at random from a minibus.
    3名黑人被从一辆面包车里胡乱射出的子弹打死了。
  10. The list is arranged in a random order.
    名单排列不分先后。
  11. On random inspection the meat was found to be bad.
    经抽查,发现肉变质了。
  12. But parallel computing is more than just using mutexes and condition variables in random functions and methods.
    但是,并行编程不只是在随便什么函数和方法中使用互斥锁和条件变量。
  13. It's a random strategy but demonstrates the simplicity of the API.
    这是一个随机策略,但是它展示了这个API的简单性。
  14. We would like to have the option of initializing an infinite random vector with the values in another vector.
    希望能够用另一个向量中的值对一个无限随机向量进行初始化。
  15. You can fill a matrix with random ints and complexes.
    您可以在矩阵中填充随机整数和复数。
  16. A Monte Carlo Simulation involves the use of random numbers and probability to find solutions to complex problems.
    蒙特卡洛模拟涉及了使用随机数和概率来找到复杂问题的解决方案。
  17. The method is based on iterative evaluations using sets of random numbers as inputs.
    该方法基于迭代评估,利用随机数集作为输入。
  18. Therefore, this test effectively simulated one random browse and one purchase, thus two transactions each time.
    因此,该测试有效地模拟了一次随机浏览和一次购买,因而,每次有两个事务。
  19. The final three methods included in the Math object are max, min, and random.
    Math对象中包括的最后三个方法分别是max、min和random。
  20. Thus, in this example, I shall use this random number technique.
    因而在这个例子中,我将使用这种随机数技术。
  21. The properties of the addition were computed and checked by random simulation, too.
    并利用随机模拟的方法对叠加的性质进行了计算和检验。
  22. The result showed that the maximum likelihood algorithm possesses higher stability and suitability on the random measured noise.
    结果表明极大似然算法对随机测量噪声具有更高的稳定性和适应性。
  23. Random Variables and General Properties of Probability Distributions;
    随机变量和概率分布一般物产;
  24. Offers text encryption and random data file creation, too.
    提供文本加密和随机数据文件创建了。
  25. A general model of random walk in time-random environment in any denumerable space is established.
    文章在可数状态空间中建立了时间随机环境下随机游动的一个广泛的模型。
  26. The means of realization for overloading random vibration test was studied.
    研究了过载随机振动试验的实现手段。
  27. The mathematical models and calculation methods in the case of given strength and random strength are discussed.
    分别讨论了强度确定和强度随机两种情况下的数学模型和计算方法;
  28. This is a Chinese encryption tools, it used random code and linear function to encrypt it.
    这是一个中文加密工具,采用随机码和一次函数两次加密。
  29. The random variables follow normal distribution in this analysis.
    分析中随机变量取正态分布。
  30. A weak law of large numbers for the weighted sums of non-identically distributed NA random matrix sequences is studied.
    研究了不同分布NA序列加权和最大值的弱大数定律,推广了前人的结果。

同义词辨析

  random accidental casual【导航词义:偶然的】

  random adj. 随机的,随意的

〔辨析〕指无计划或目的地选择或发生的。

〔例证〕
a random sample of 100 families
随机抽样的100个家庭
The survey was conducted based on a random selection of women who were in the shop.
在店内随机选择了一些女性进行了调查。

  accidental adj. 意外的,偶然的

〔辨析〕指计划外或无意间发生的。

〔例证〕
In fact, their meeting was not accidental.
事实上,他们的相遇并不是偶然的。
The company lost its advantages due to an accidental leak of its designs.
由于设计方案意外泄漏,该公司失去了优势。

  casual adj. 碰巧的,偶然的

〔辨析〕指随意、并无计划的,只作定语。

〔例证〕
She first heard of his name in a casual conversation.
她在一次偶然的谈话中第一次听到他的名字。
The professor made some casual remarks about his paper.
教授对他的论文随口点评了几句。

习惯用语

n.

    at random

  • 随意;随机;胡乱
    without deciding in advance what is going to happen, or without any regular pattern
    1. She opened the book at random (= not at any particular page) and started reading.
      她随意翻到一页就看了起来。
    2. The terrorists fired into the crowd at random.
      恐怖分子胡乱地向人群开枪。
    3. Names were chosen at random from a list.
      名字是从名单中随便点的。

英英释义

adj

  1. lacking any definite plan or order or purpose
    1. a random choice
    2. bombs fell at random
    3. random movements