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permutation and combination是什么意思,permutation and combination的意思翻译、用法、同义词、例句

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常用词典

  • n. 排列组合

  • 例句

  • Noticing that the Latin square has order like permutation and combination, this paper gives algorithm of searching standard Latin square fellowing this order.

    文章根据排列与组合可计数的特点,给出了利用位序法求标准拉丁方的算法。

  • Results Through all contrast with application in many sorts LED, different permutation and combination and controlling current, its design requirements can be achieved at last.

    结果:经过对多种不同LED的应用对比,不同排列组合的对比,不同控制电流的对比,最终使其性能达到了设计要求。

  • The author thinks that, the system structure refers to the permutation and combination among the elements which come from the total of the interactions of the elements in the system.

    作者认为系统的结构是指由系统内元素之间相互作用的总和所形成的元素的排列与组合。

  • The results indicate that the permutation and combination of kerosene and decyl alcohol extracting nickel citrate from wastewater is the best.

    结果表明,煤油与癸醇组合对废水中柠檬酸的镍萃取效果最佳。

  • The research is carried out as follows:Two-word patterns are generated by permutation and combination based on Determiner sequencing to acquire the raw frequency in two corpora.

    研究方法如下:首先按照数学的排列组合模式,依据限定词前中后的排序,两两生成限定词之间的搭配。

  • The data compressing method based on constant grade makes use of permutation and combination theory.

    常数级压缩方法利用排列组合原理,适于压缩字节内容无规律的文件。

  • In these pictures, besides the embodiment, he also used the method of permutation and combination, he used the computer software to make seamless collage with cities images taken.

    在这里,他移除了强加进去的“化身”,采取对现实进行了重新排列组合的方式,利用电脑软件对实拍的城市影像进行不露痕迹的拼贴。

  • Besides, the author understood the rule of negative multiplication completely and studied the problem of permutation and combination deeply.

    另外,萨玛瓦尔完全理解了负数的乘法法则,并对排列组合问题也有充分的认识。

  • In the creative process, should strive to provide the image of the constituent elements of permutation and combination in an orderly manner.

    在创作过程中,应力求使形象构成因素排列组合有序。

  • Disregarding being from the color , pattern , material quality and permutation and combination , function etc. , its every aspect FOAK has given our hitherto unknown high grade the enjoyment living.

    不论是从色彩、图案、材质以及排列组合、功能等,它各方面的创新给了我们前所未有优质生活的享受。

  • Introduces The basic mathematical models, such as matrix, permutation, and combination, in the design of fabrics.

    本文介绍织物组织设计基本数学模式,用矩阵、排列和排列组合等数学方法设计织物组织。

  • A well-written math text will be careful to use a word in one sense only, making a distinction, say, between combination and permutation (or arrangement).

    书写良好的数学文本会非常注意用语无岐义,区分明显,如组合与排列(或放置)。

  • In regards of the way selection, the combination of gradual advance and permutation, institutional reforms and part modification should be persisted in;

    在制度构建的进路选择上应坚持渐进与嬗变、系统变法与局部改良的结合;

  • Using gamma function, the paper popularized the common conceptions of the usual factorial, permutation and combination and proved some combination formulas in common use.

    依照伽马函数,对通常的阶乘、排列、组合的概念进行了推广,并证明了一些常用的组合公式。

  • In this thesis, construction of permutation and combination of matrix, patch and propylaea , that of dilation, erosion, collision and thinning, and cycled structure rule of urban space are presented.

    提出城市空间元素的循环结构构筑原则以及原域、通廊、块体间排列组合的六种构筑形式和膨胀、腐蚀、击中、薄化的构筑方法。

  • As a result, as far as I am concerned, its highly commanded that we should focus more on penetrating the teaching of permutation and combination into mathematical thinking.

    因此,在解排列组合应用题时应加强排列组合的教学与数学思想的渗透。

  • Moreover, permutation and combination are the basis of probability.

    同时,它也是概率的基础。

  • 网络扩展资料

    排列(permutation)

    定义

    排列是从n个不同元素中取出m(m≤n)个元素进行排序的方案数,记作A(n,m)或nPm。

    例句

    • A permutation of the letters 'a', 'b', and 'c' taken two at a time is 'ab', 'ac', 'ba', 'bc', 'ca', and 'cb'. (从'a'、'b'、'c'这三个字母中选取两个字母进行排列的方案有'ab'、'ac'、'ba'、'bc'、'ca'、'cb'共6种。)

    用法

    排列常用于解决需要确定元素位置的问题,如从一组元素中选取若干个元素进行排序。

    近义词

    • arrangement (安排)
    • ordering (排序)

    反义词

    • combination (组合)

    组合(combination)

    定义

    组合是从n个不同元素中取出m(m≤n)个元素不考虑排序的方案数,记作C(n,m)或nCm。

    例句

    • There are 10 possible combinations of the numbers 1, 2, 3, and 4 taken two at a time. They are 12, 13, 14, 23, 24, and 34. (从数字1、2、3、4中选取两个数字进行组合的方案有12、13、14、23、24、34共6种。)

    用法

    组合常用于解决需要确定元素组合的问题,如从一组元素中选取若干个元素进行组合。

    近义词

    • selection (选择)

    反义词

    • permutation (排列)

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