permutation and combination

排列与组合:数学中的两个概念
常用释义
排列与组合:数学中的两个概念,排列指从一组元素中取出一部分进行排列,组合指从一组元素中取出一部分进行组合。

例句

1·Moreover, permutation and combination are the basis of probability.

同时,它也是概率的基础。

2·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。

3·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。

4·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。

5·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。

6·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。

7·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。

8·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。

9·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。

10·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。